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As wildfires become more frequent due to climate change and drier conditions, more of us and more of our communities are at risk for harm. Here is information to help you prepare and protect yourself and your family.

How does wildfire smoke affect air quality?

Wildfire smoke contributes greatly to poor air quality. Just like fossil fuel pollution from burning coal, oil, and gas, wildfires create hazardous gases and tiny particles of varying sizes (known as particulate matter, or PM10, PM2.5, PM0.1) that are harmful to breathe. Wildfire smoke also contains other toxins that come from burning buildings and chemical storage.

The smoke can travel to distant regions, carried by weather patterns and jet streams.

How does wildfire smoke affect our health?

The small particles in wildfire smoke are the most worrisome to our health. When we breathe them in, these particles can travel deep into the lungs and sometimes into the bloodstream.

The health effects of wildfire smoke include eye irritation, coughing, wheezing, and difficulty breathing. The smoke may also increase risk for respiratory infections like COVID-19. Other possible serious health effects include heart failure, heart attacks, and strokes.

Who needs to be especially careful?

Those most at risk from wildfire smoke include children, older adults, outdoor workers, and anyone who is pregnant or who has heart or lung conditions.

If you have a chronic health condition, talk to your doctor about how the smoke might affect you. Find out what symptoms should prompt medical attention or adjustment of your medications. This is especially important if you have lung problems or heart problems.

What can you do to prepare for wildfire emergencies?

If you live in an area threatened by wildfires, or where heat and dry conditions make them more likely to occur:

• Create an evacuation plan for your family before a wildfire occurs.
• Make sure that you have several days on hand of medications, water, and food that doesn't need to be cooked. This will help if you need to leave suddenly due to a wildfire or another natural disaster.
• Regularly check this fire and smoke map, which shows current wildfire conditions and has links to state advisories.
• Follow alerts from local officials if you are in the region of an active fire.

What steps can you take to lower health risks during poor air quality days?

These six tips can help you stay healthy during wildfire smoke advisories and at other times when air quality is poor:

• Stay aware of air quality. AirNow.gov shares real-time air quality risk category for your area accompanied by activity guidance. When recommended, stay indoors, close doors, windows, and any outdoor air intake vents.
• Consider buying an air purifier. This is also important even when there are no regional wildfires if you live in a building that is in poor condition. See my prior post for tips about pollution and air purifiers. The EPA recommends avoiding air cleaners that generate ozone, which is also a pollutant.
• Understand your HVAC system if you have one. The quality and cleanliness of your filters counts, so choose high-efficiency filters if possible, and replace these as needed. It's also important to know if your system has outdoor air intake vents.
• Avoid creating indoor pollution. That means no smoking, no vacuuming, and no burning of products like candles or incense. Avoid frying foods or using gas stoves, especially if your stove is not well ventilated.
• Make a "clean room." Choose a room with fewer doors and windows. Run an air purifier that is the appropriate size for this room, especially if you are not using central AC to keep cool.
• Minimize outdoor time and wear a mask outside. Again, ensuring that you have several days of medications and food that doesn't need to be cooked will help. If you must go outdoors, minimize time and level of activity. A well-fitted N95 or KN95 mask or P100 respirator can help keep you from breathing in small particles floating in smoky air (note: automatic PDF download).

About the Author

Wynne Armand, MD, Contributor

Dr. Wynne Armand is a physician at Massachusetts General Hospital (MGH), where she provides primary care; an assistant professor in medicine at Harvard Medical School; and associate director of the MGH Center for the Environment and … See Full Bio View all posts by Wynne Armand, MD

Several evenings a week, as Tyler VanderWeele gathers around the dinner table with his wife and two young kids, the family deliberately pauses during the meal to do something simple but profound. Each member shares several things for which they’re grateful — an act that VanderWeele, co-director of the Initiative on Health, Spirituality, and Religion at the Harvard T.H. Chan School of Public Health, feels changes his family dynamic for the better.

“I do think it makes a difference and can be a very powerful practice,” he says. “Even on those bad days where life seems difficult, that effort is worthwhile.”

Gratitude, health, and longevity

How can the power of gratitude affect our lives? Recent research has pointed to gratitude’s myriad positive health effects, including greater emotional and social well-being, better sleep quality, lower depression risks, and favorable markers of cardiovascular health. Now, new data from the long-term Nurses’ Health Study shows that it may extend lives.

“Gratitude has been one of the most widely studied activities contributing to well-being, but we couldn’t find a single prior study that looked at its effects on mortality and longevity, much to our surprise,” says VanderWeele, co-author of the new research.

What did the study look at?

Published July 2024 in JAMA Psychiatry, the new study drew on data from 49,275 women enrolled in the Nurses’ Health Study. Their average age was 79. In 2016, participants completed a six-item gratitude questionnaire in which they ranked their agreement with statements such as, “I have so much in life to be thankful for,” and “If I had to list everything I felt grateful for, it would be a very long list.”

Four years later, researchers combed through participants’ medical records to determine who had died. There were 4,608 deaths from all causes, as well as from specific causes such as cardiovascular disease, cancer, respiratory diseases, neurodegenerative disease, infection, and injury. Deaths from cardiovascular disease — a top killer of women and men in the United States — were the most common cause.

What did the researchers find?

Participants with gratitude scores in the highest third at the study’s start had a 9% lower risk of dying over the following four years than participants who scored in the bottom third. This did not change after controlling for physical health, economic circumstances, and other aspects of mental health and well-being. Gratitude seemed to help protect participants from every cause of death studied — including cardiovascular disease.

But what does this actually mean?

“A 9% reduction in mortality risk is meaningful, but not huge,” VanderWeele says. “But what’s remarkable about gratitude is that just about anyone can practice it. Anyone can recognize what’s around them and express thanks to others for what’s good in their life.”

While the study couldn’t pinpoint why gratitude is associated with longer life, VanderWeele believes several factors may contribute.

“We know that gratitude makes people feel happier. That in itself has a small effect on mortality risk,” he says. “Practicing gratitude may also make someone a bit more motivated to take care of their health. Maybe they’re more likely to show up for medical appointments or exercise. It may also help with relationships and social support, which we know contribute to health.”

What are the study’s limitations and strengths?

The study was observational. This means it can’t prove that gratitude helps people live longer — only that an association exists. And the particular sample of people analyzed is both the biggest strength and limitation of the research, VanderWeele says. All were older female nurses with high socioeconomic status. The vast majority were white.

“Does the longevity effect extend to men, to those who are younger, and to those with lower socioeconomic resources?” VanderWeele asks. “Those are all open questions.”

On the plus side, he says, the study sample’s large size is one of its biggest strengths. So is the extensive data gathered on potential confounding factors such as participants’ physical health, social characteristics, and other aspects of psychological well-being.

“Between the quality of the data and the size of the sample, we were able to provide reasonable evidence for this modest longevity effect,” he says.

Try this: Six questions to evoke gratitude

Not feeling especially grateful today? You have the power to change that. Asking yourself certain questions can evoke gratitude, such as

• What happened today that was good?
• What am I taking for granted that I can be thankful for?
• Which people in my life am I grateful for?
• What is the last book I read or movie, show, or social media clip I saw that I really appreciated, and why?
• What am I most looking forward to this week, month, and year, and why?
• What is the kindest thing someone has said or done lately?

Similarly, a few simple actions can infuse gratitude into your days. Try VanderWeele’s family routine of regularly expressing gratitude around the dinner table. Another well-known practice — that’s perhaps becoming forgotten in this digital age — is penning thank-you notes.

“I do think writing a thank-you note or gratitude letter gets your mind to dwell on something positive for a longer period, to think more deeply about it, because you have to put it not just in words, but in writing,” VanderWeele says. “It also deepens the relationship and builds that bond.”

One less-recognized but valuable gratitude practice is called a “savoring exercise,” which builds on aspects of mindfulness. All that’s required is “pausing, looking around you, and taking in and enjoying everything that’s good in your current setting,” VanderWeele says. “It’s not a big leap to go from recognizing the good to expressing gratitude for what you have.”

About the Author

Maureen Salamon, Executive Editor, Harvard Women's Health Watch

Maureen Salamon is executive editor of Harvard Women’s Health Watch. She began her career as a newspaper reporter and later covered health and medicine for a wide variety of websites, magazines, and hospitals. Her work has … See Full Bio View all posts by Maureen Salamon

About the Reviewer

Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Howard LeWine is a practicing internist at Brigham and Women’s Hospital in Boston, Chief Medical Editor at Harvard Health Publishing, and editor in chief of Harvard Men’s Health Watch. See Full Bio View all posts by Howard E. LeWine, MD

The holiday season is one of the hardest times of the year to resist salty, fatty, sugary foods. Who doesn’t want to enjoy the special dishes and treats that evoke memories and meaning — especially during the pandemic? Physical distancing and canceled gatherings may make you feel that indulging is a way to pull some joy out of the season.

But stay strong. While it’s okay to have an occasional bite or two of marbled roast beef, buttery mashed potatoes, or chocolate pie, gorging on them frequently can lead to weight gain, and increased blood pressure, blood sugar, and “bad” LDL cholesterol.

Instead, skip the butter, cream, sugar, and salt, and flavor your foods with herbs and spices.

The bounty of nature’s flavor-makers go beyond enticing tastes, scents, and colors. Many herbs and spices contain antioxidants, flavonoids, and other beneficial compounds that may help control blood sugar, mood, and inflammation.

Amp up holiday foods with herbs and spices

Try flavoring your foods with some of the herbs and spices in the list below. Play food chemist and experiment with combinations you haven’t tried before. The more herbs and spices you use, the greater the flavor and health rewards. And that’s a gift you can enjoy all year through.

Allspice: Use in breads, desserts, and cereals; pairs well with savory dishes, such as soups, sauces, grains, and vegetables.

Basil: Slice into salads, appetizers, and side dishes; enjoy in pesto over pasta and in sandwiches.

Cardamom: Good in breads and baked goods, and in Indian dishes, such as curry.

Cilantro: Use to season Mexican, Southwestern, Thai, and Indian foods.

Cinnamon: Stir into fruit compotes, baked desserts, and breads, as well as Middle Eastern savory dishes.

Clove: Good in baked goods and breads, but also pairs with vegetable and bean dishes.

Cumin: Accents Mexican, Indian, and Middle Eastern dishes, as well as stews and chili.

Dill weed: Include in potato dishes, salads, eggs, appetizers, and dips.

Garlic: Add to soups, pastas, marinades, dressings, grains, and vegetables.

Ginger: Great in Asian and Indian sauces, stews, and stir-fries, as well as beverages and baked goods.

Marjoram: Add to stews, soups, potatoes, beans, grains, salads, and sauces.

Mint: Flavors savory dishes, beverages, salads, marinades, and fruits.

Nutmeg: Stir into fruits, baked goods, and vegetable dishes.

Oregano: Delicious in Italian and Mediterranean dishes; it suits tomato, pasta, grain dishes, and salads.

Parsley: Enjoy in soups, pasta dishes, salads, and sauces.

Pepper (black, white, red): Seasons soups, stews, vegetable dishes, grains, pastas, beans, sauces, and salads.

Rosemary: Try it in vegetables, salads, vinaigrettes, and pasta dishes.

Sage: Enhances grains, breads, dressings, soups, and pastas.

Tarragon: Add to sauces, marinades, salads, and bean dishes.

Thyme: Excellent in soups, tomato dishes, salads, and vegetables.

Turmeric: Essential in Indian foods; pairs well with soups, beans, and vegetables.

About the Author

Heidi Godman, Executive Editor, Harvard Health Letter

Heidi Godman is the executive editor of the Harvard Health Letter. Before coming to the Health Letter, she was an award-winning television news anchor and medical reporter for 25 years. Heidi was named a journalism fellow … See Full Bio View all posts by Heidi Godman

About the Reviewer

Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Howard LeWine is a practicing internist at Brigham and Women’s Hospital in Boston, Chief Medical Editor at Harvard Health Publishing, and editor in chief of Harvard Men’s Health Watch. See Full Bio View all posts by Howard E. LeWine, MD

Sexual violence occurs throughout the world. A simple definition is any sexual act for which consent is not obtained or freely given, according to the Centers for Disease Control and Prevention (CDC). Rape, sexual coercion, and unwanted sexual contact are a few examples.

While many people heal fully in time, traumatic events like these may contribute to long-lasting health issues such as heart disease, gastrointestinal disorders, and certain mental health conditions. Being aware of these possibilities can help you — and your health care clinicians, if you choose to share with them — identify and respond to health issues promptly.

Our trauma doesn’t have to define us. Knowing how to get proper treatment and support can help people who have experienced sexual violence live fulfilling, healthy lives.

Who is affected by sexual violence?

Statistics vary on different forms of sexual violence. One in four women and one in 26 men in the US report rape or attempted rape during their lifetime, for example.

Anyone can experience sexual violence. But it disproportionately impacts certain groups, such as women, people who are racially or ethnically marginalized or who identify as LGBTQ+, and people with low incomes.

Possible emotional effects of sexual violence: What to know

Most people who experience sexual assault report that it affects their mental health. Depression and anxiety are very common after sexual assault. So is post-traumatic stress disorder (PTSD). A review of multiple studies estimates that 75% of people have symptoms of PTSD within a month of the incident, and about 40% continue to have PTSD one year after the incident.

PTSD symptoms may include

• flashbacks
• distressing or intrusive memories or nightmares
• severe anxiety
• dissociation.

People with PTSD may feel numb, angry, helpless, or overwhelmed. They may also avoid triggers that remind them of the traumatic event, like certain places, smells, or objects.

Remember, your mental health is an important part of your overall health and well-being. Consider finding or asking for a referral for a mental health specialist who specializes in trauma-focused psychotherapy. This might include cognitive processing therapy, exposure-based therapy, or eye movement desensitization and reprocessing (EMDR) therapy.

Possible health effects following sexual violence: What to know

Sexual violence can have immediate health effects, of course, and reaching out to get help is important.

Yet weeks, months, or even years later, some — though not all — people develop health issues related to their trauma. Research suggests sexual violence may increase risk for some chronic health conditions, such as

• heart disease
• diabetes
• high blood pressure
• chronic pain, including pelvic pain
• frequent headaches or migraines
• irritable bowel syndrome
• substance use disorder, including opiate use.

Seeking treatment can support your healing and well-being. Consider talking to your health care provider if you think you may be experiencing any of these symptoms or conditions.

How do I talk to my doctor about my history of sexual assault?

It’s important to feel safe and comfortable with your health provider. Here are four helpful tips to consider when seeking health care:

• Ask about trauma-informed care. While sometimes your choice of provider is limited, you may be able to ask to see a clinician who provides trauma-informed care. Trauma-informed care acknowledges how trauma impacts our health and promotes an individual’s sense of safety and control.
• Share as little or as much as you like. If you’re comfortable, you can tell your clinician you have a history of sexual assault or trauma. It is your choice whether you want to discuss your trauma history with your health professional. If you choose not to, you can still seek care for any health issues related to your sexual assault. This is a confidential part of your medical record, like any other part of your medical history.
• Starting a conversation. If you decide to share, you can start the conversation with one of these examples:
  • “I want you to know I have a history of trauma.”
  • “My trauma continues to affect my health today in [insert ways].”

If the provider asks follow-up questions about your traumatic experience, know that you can provide as little or as much detail as you feel comfortable sharing.

• Medical record confidentiality. Ask if your health care institution provides any extra levels of confidentiality for your medical record. Sometimes, this includes additional access restrictions or passwords to enter your health record. This can be especially important if you have an abusive partner, or another person that you are concerned will try to inappropriately gain access to your medical records.

How can you prepare for a physical exam and talk to a clinician?

• Know that you have choices. A physical exam may help you get care you want or need to address a health issue. Yet sometimes people who have been sexually assaulted find physical exams stressful, difficult, or even traumatic. If your clinician would like to perform a physical exam, know that you can always decline or schedule it for another day or time.
• Consider having a support person present. Sometimes a support person like a good friend may make you more comfortable during your visit or exam. You can also ask the provider to have a second staff member in the room, and request a gender preference.
• Ask the provider to explain things before each step. Before the exam, you can ask the clinician to make sure you understand the steps of the exam. Remember, you can choose to pause or stop the exam at any time.
• Your consent matters. No matter the setting, you always have the right to decide how and when your body is examined and/or touched. All health care providers are held to professional and ethical standards to protect your rights. If a clinician violates this, you have the right to report the incident to the health care employer and/or local law enforcement, and to seek care elsewhere.

A few final thoughts

Sexual violence is never okay under any circumstances. If this has happened to you, know that it is not your fault.

Traumatic experiences like sexual assault can affect the body and mind. They may increase the risk of long-term health issues such as PTSD, depression, substance use disorder, high blood pressure, and chronic pelvic pain. Yet all health conditions related to sexual assault can be effectively treated. And most people who experience trauma heal and go on to live meaningful, fulfilling lives.

About the Author

Rose McKeon Olson, MD, MPH, Contributor

Dr. Rose McKeon Olson is an associate physician in the department of medicine at Brigham and Women’s Hospital, and an instructor of medicine at Harvard Medical School. She has special research interests in trauma-informed care and … See Full Bio View all posts by Rose McKeon Olson, MD, MPH

Medications can provide a host of health benefits. They may prevent or eliminate a disease. They might improve your quality of life and even help you live longer. But the medicines we take also have potential side effects. While listed side effects don’t always occur, it’s always possible.

And though that’s unfortunate, it also makes sense: while fighting the good fight against infection, cancer, or other health issues, medicines can also affect normal, healthy parts of the body. That can lead to bothersome symptoms and, sometimes, deadly consequences.

What are the most common and annoying side effects?

If you think you’re experiencing a medication side effect, you can check the National Library of Medicine database for the medicines you take to learn about their side effects.

Among the most common side effects caused by medicines are:

• nausea, constipation, diarrhea
• dry mouth
• drowsiness
• rash
• headache.

While the nature and severity of drug side effects vary widely, some are more bothersome than others. For example, sexual side effects can be especially distressing (and are likely underreported). And forgetfulness or trouble concentrating (often called “brain fog”) can have a serious impact on daily functioning, employment, and quality of life.

Which medication side effects are dangerous?

Though most side effects from medicines are more bothersome than dangerous, there are exceptions. Here are four serious drug side effects that require immediate medical attention.

• Anaphylaxis. This is a sudden allergic reaction affecting many parts of the body, including rash; swelling of the lips, tongue, or throat; and trouble breathing.
• Stevens-Johnson Syndrome (SJS) and toxic epidermal necrolysis (TEN). These two related allergic conditions are marked by severe, widespread rash, skin peeling, and fever. The main difference between them is that skin damage is more severe in TEN. Complications can be life-threatening, such as kidney and lung injury, or skin detachment similar to experiencing a serious burn.
• Drug reaction with eosinophilia and systemic symptoms (DRESS). This rare reaction to medications causes abnormal blood counts, rash, enlarged lymph nodes, and liver injury. Other organs, including the kidneys, lungs, and heart, may be harmed.

What about drug interactions?

Some medicines may cause no side effects until you start taking a second one. That’s because drugs can interact — that is, one drug alters the effects of another drug.

For example, if you take a blood thinner, also taking an anti-inflammatory medicine like ibuprofen or naproxen can suddenly increase your risk of bleeding.

There are thousands of known drug interactions. Medication prescribers, pharmacists, and computerized prescription ordering systems routinely check for them in advance so they can be avoided.

Are medication side effects ever a good thing?

Yes, indeed. In fact, some drugs developed to treat one condition have been approved for something entirely different because of what might be called positive side effects.

That’s how a blood pressure medicine (minoxidil) became a blockbuster treatment for hair loss (Rogaine and other brands). Another medicine (sildenafil), also developed for high blood pressure, was found to trigger erections in men. This lead to its approval as Viagra. There are many other examples of the good side of side effects.

When should you contact your health care provider?

If you suspect you’re experiencing a medication side effect, let your health care provider know. They can help you make the choice that’s best for you.

For serious or dangerous side effects like the examples noted above, it’s important to stop the drug and seek treatment right away. Let the FDA know as well. The FDA welcomes voluntary reporting of serious side effects so they can learn more about a drug’s impact on users, and take steps to improve its safety if necessary. Improvements might include new medication labeling, or even a recall.

For less serious side effects your first inclination might also be to stop the drug. But that’s not always the best choice. While stopping the drug may eliminate the side effect, you’ll also lose the drug’s benefit.

Here are some options your health care provider may suggest:

• Wait. If the side effect is minor, you could decide to put up with it to see if it goes away on its own as your body adjusts to the medication. If time doesn’t help, you may need to decide with your doctor whether the benefits of the medicine outweigh the side effects.
• Reduce. Your health care provider may suggest reducing the dose or how often you take the drug, which may improve or eliminate the side effects.
• Stop. You and your health care provider could decide to stop the medicine and consider a different treatment option, or reconsider whether treatment is still necessary.
• Add. Sometimes it’s reasonable to take a second drug to treat the first drug’s side effects. This option is not ideal. Taking a second drug to treat side effects from the first drug adds yet another medicine to your list. And that second drug could cause its own side effects, or even prompt the need to repeat this sequence with more medications. But sometimes adding another medication is a good option. For example, it’s reasonable to take an over-the-counter medicine (such as acetaminophen or ibuprofen) to treat a mild drug side effect (such as headache). Or if a medicine that causes a significant side effect is actually working well for a serious health condition, then adding a second medicine might make sense.

The bottom line

Drug developers may someday discover the perfect medicine, one that provides major health benefits without any risk of side effects. Until that happens, though, there are many ways to handle drug side effects. The challenge is figuring out which one is best for you.

About the Author

Robert H. Shmerling, MD, Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Robert H. Shmerling is the former clinical chief of the division of rheumatology at Beth Israel Deaconess Medical Center (BIDMC), and is a current member of the corresponding faculty in medicine at Harvard Medical School. … See Full Bio View all posts by Robert H. Shmerling, MD

Looking for gifts to give or donate this year? Climate-conscious gifts come in many guises. They may directly support our environment, for example, or aim to reduce fossil fuel use and electronic, textile, and food waste. Or they might offer enjoyable, creative ways to connect, reuse, and recycle — and possibly even regift.

“Our purchases and choices impact our climate and planet,” notes Dr. Wynne Armand, a physician and associate director of the Massachusetts General Hospital Center for the Environment and Health. Small steps like these do help, she says, even when the complex issues of climate change leading to health-compromising pollution, extreme weather, and a stressed planet feel so large and overwhelming.

“Unquestionably, we need bold, strong leaders to seek policy changes that address these problems at a systems level. But, as individuals we can make a difference through small steps,” says Dr. Armand. “Our choices help drive cultural and market shifts that hopefully push our neighbors, businesses, and policy leaders in the right direction.”

Four climate-conscious principles for gifting

• Channel the 5 Rs. Refuse, reduce, reuse, repurpose, and only then recycle. Say no to excess. Comic sections from print newspapers or beautiful images from last year’s calendars or magazines make great envelopes and gift wrap. If you’re choosing clothes, consider buying upcycled clothing or at resale shops, as appropriate.
• Beware of greenwashing. Eco-consciousness is big business, and the benefits of what you buy may be questionable. If you have a small lawn that needs infrequent maintenance, says Dr. Armand, keeping a trusty (albeit gas-fueled) mower could be a better choice for the planet than buying an electric mower, when factoring in upstream costs of natural resources and the carbon footprint required to manufacture and ship the new — and toss out the not-so-old. (Alternatively, maybe it’s time to replant that lawn with wildflowers and vegetables?)
• Skip what’s not needed. A new backpack crafted from water bottles? Another sweater to add to a closetful? If there’s no apparent need, think twice about purchases.
• Double down on experiences and connection. Think concert tickets, museum passes, or energetic options like rock-climbing gym passes and outdoor skills classes. “Gifts of experience are great, especially for people who already have all they need. If you buy for two or try a skills swap you also get to enjoy that time together,” says Dr. Armand.

25 climate-conscious gifts

Below are 25 suggestions for climate-conscious giving intended to work with many budgets.

Small but mighty climate-conscious gifts

1. Soft, warm sweaters, thick socks, or puffer vests can help people turn down the heat, saving energy resources and money.

2. Rechargeable batteries reduce materials and packaging waste.

3. An electric kettle, induction hot plate, or toaster oven can help limit indoor pollutants from gas stoves.

4. Perfectly Good Food: A Totally Achievable Zero Waste Approach to Home Cooking aims to pare back food waste and is available online.

5. Shop local artisans and craft fairs rather than buying online.

6. Plants brighten any room and help scrub the air: choose easy-care varieties, such as succulents, colorful coleus, and some herbs.

7. Protect the natural world: birds, bees, and other insects could use your help. Consider a small bird feeder that attaches to a window, a bee house, gardening tools, or seeds for a pollinator garden of colorful flowers.

8. Donate to national or worldwide climate or environmental organizations, local green spaces, and local conservation groups.

9. Gift green bonds for companies that support renewable energy — do your research, though, because greenwashing can be an issue.

10. Secret gifter-giftee swaps with large groups save sanity and throttle back waste.

Bigger splurges on climate-conscious gifts

11. When appliances reach the end of useful life, consider replacing gas stoves, water heaters, washers, dryers, and similar items with electric versions.

12. Plan a week of nearby tours and events with friends or family instead of flights and faraway travel.

13. Gift clothes and tools to enjoy the natural world: for example, warm, waterproof clothing and hiking boots, cross-country skis or skates, good binoculars for bird-watching.

14. Composters (or a weekly composting service subscription) recycle food scraps and organic waste into soil-enriching “black gold.”

15. Electric bikes may be a boon if they reduce reliance on vehicles using fossil fuels.

16. Help fund energy-efficient heat pumps or renewable solar energy.

17. Substantial donations and sustaining donor gifts to climate-conscious organizations can help in many ways.

No-cost climate-conscious gifts

18. Offer to gather information on big-ticket items in the big splurges section, including state and federal rebates and 0% loans for heat pumps, energy-efficient furnaces, solar panels, and energy-efficient appliances.

19. Teach a skill one-on-one, such as home repair, skating, chess, training for a mud run, knitting, cooking, orienteering, or gardening, or organize skills swaps with friends.

20. Gift the human power needed to replant portions of a lawn with vegetables or pollinator plants, or make a rain garden (note: automatic download) to help divert storm water.

21. Combine a no-cost reminder of the environmental benefits of no-mow May and leave the leaves campaigns with an offer to help peel back these layers come spring.

22. Friends often want to gift one another — costly generosity that can prompt last-minute candle-buying. As an alternative, gather a small group of friends for a clothing, accessories, and candle swap of new, never-took-the-price-tag-off, nearly new, and well-loved items.

23. Offer a DIY nature or bird walk for two. Try the free Pl@ntnet and Merlin apps if you can’t tell a pin oak from a petunia or a robin from a California condor.

24. If you buy for a ton of people, buy in bulk and figure out how to parcel it out in more sustainable packaging.

25. Make dinner, fudge, or another treat with friends — not completely free, but always a great way to gather your community.

About the Author

Francesca Coltrera, Editor, Harvard Health Blog

Francesca Coltrera is editor of the Harvard Health Blog, and associate editor of multimedia content for Harvard Health Publishing. She is an award-winning medical writer and co-author of Living Through Breast Cancer and The Breast Cancer … See Full Bio View all posts by Francesca Coltrera

About the Reviewer

Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Howard LeWine is a practicing internist at Brigham and Women’s Hospital in Boston, Chief Medical Editor at Harvard Health Publishing, and editor in chief of Harvard Men’s Health Watch. See Full Bio View all posts by Howard E. LeWine, MD

It used to be that radiation therapy for prostate cancer involved weeks or months of repeat visits to a clinic for treatment. Today that’s not necessarily true. Instead of giving small doses (called fractions) per session until the full plan is completed, radiation delivery is moving toward high-dose fractions that can be given with fewer sessions over shorter durations.

This “hypofractionated” strategy is more convenient for patients, and mounting evidence shows it can be accomplished safely. With one technology called stereotactic body radiation therapy (SBRT), patients can finish their treatment plans within a week, as opposed to a month or more. Several devices are available to deliver hypofractionated therapy, so patients may also hear it referred to as CyberKnife or by other brand names.

An SBRT session takes about 20 to 30 minutes, and the experience is similar to receiving an x-ray. Often, doctors will first insert small metal pellets shaped like grains of rice into the prostate gland. Called fiducials, these pellets function as markers that help doctors target the tumor more precisely, so that radiation beams avoid healthy tissue. During treatment, a patient lies still while the radiation-delivery machine rotates around his body, administering the therapy.

How good is SBRT at controlling prostate cancer? Results from a randomized controlled clinical trial show that SBRT and conventional radiotherapy offer the same long-term benefits.

How the study was conducted

The trial enrolled 874 men with localized prostate cancer, meaning cancer that is still confined to the prostate gland. The men ranged between 65 and 74 years in age, and all of them had prostate cancer with a low or intermediate risk of further progression. The study randomized each of the men to one of two groups:

• Treatment group: The 433 men in this group each got SBRT at the same daily dose. The treatment plan was completed after five visits given over a span of one to two weeks.
• Control group: The 441 men in this group got conventional radiotherapy over durations ranging from four to 7.5 weeks.

None of the men received additional hormonal therapy, which is a treatment that blocks the prostate cancer–promoting effects of testosterone.

What the study showed

After a median duration of 74 months (roughly six years), the research found little difference in cancer outcomes. Among men in the treatment group, 26 developed visibly recurring prostate cancer, or a spike in prostate-specific antigen (PSA) levels suggesting that newly-forming tumors were somewhere in the body (this is called a biochemical recurrence). By contrast, 36 men from the control group developed visible cancer or biochemical recurrence. Put another way, 95.8% of men from the SBRT group — and 94.6% of men in the control group — were still free of prostate cancer.

A word of caution

Earlier results published two years into the same study showed higher rates of genitourinary side effects among the SBRT-treated men. Typical genitourinary side effects include inflammatory reactions that increase pain during urination, or that can make men want to urinate more often. Some men develop incontinence or scar tissues that make urination more difficult. In all, 12% of men in the SBRT group experienced genitourinary side effects at two years, compared to 7% of the control subjects.

“Interestingly, patients who were treated with CyberKnife appeared to have lower significant toxicity at two years compared with those treated on other platforms,” said Dr. Nima Aghdam, a radiation oncologist at Beth Israel Deaconess Medical Center and an instructor of radiation oncology at Harvard Medical School. By five years, the differences in side effects between men treated with SBRT or conventional radiation had disappeared.

The authors advised that men might consider conventional radiation instead of SBRT if they have existing urinary problems before being treated for cancer. Patients with baseline urinary problems are “more likely to have long-term toxic effects,” the authors wrote, adding that the new findings should “allow for better patient selection for SBRT, and more careful counseling.”

“This is an important study that validates what’s becoming a standard practice,” said Dr. Marc Garnick, the Gorman Brothers Professor of Medicine at Harvard Medical School and Beth Israel Deaconess Medical Center, and editor in chief of the Harvard Medical School Guide to Prostate Diseases. “The use of a five-day treatment schedule has been well received by patients who live long distances from a radiation facility, given that treatment can be completed during the weekdays of a single week. As with any cancer treatment choice, the selection of the appropriate patient is crucial to minimize any potential side effects, and this can only be done after a careful consideration of the patient’s other medical conditions.”

“This elegant study will put to rest any questions regarding the validity of SBRT as a standard-of-care option for many patients with prostate cancer,” Dr. Aghdam added. “Importantly in this trial, we see excellent outcomes for many patients who were treated with radiation alone. As this approach gains broad acceptance in radiation oncology practices, it remains critical to carefully consider each patient based on their baseline characteristics, and employ the highest level of quality assurance in delivering large doses of radiation in fewer fractions. As the overall duration of radiation therapy gets shorter, every single treatment becomes that much more important.”

About the Author

Charlie Schmidt, Editor, Harvard Medical School Annual Report on Prostate Diseases

Charlie Schmidt is an award-winning freelance science writer based in Portland, Maine. In addition to writing for Harvard Health Publishing, Charlie has written for Science magazine, the Journal of the National Cancer Institute, Environmental Health Perspectives, … See Full Bio View all posts by Charlie Schmidt

About the Reviewer

Marc B. Garnick, MD, Editor in Chief, Harvard Medical School Annual Report on Prostate Diseases; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Marc B. Garnick is an internationally renowned expert in medical oncology and urologic cancer. A clinical professor of medicine at Harvard Medical School, he also maintains an active clinical practice at Beth Israel Deaconess Medical … See Full Bio View all posts by Marc B. Garnick, MD

Balance is a skill you don’t think about until you really need it — like when you lose your footing and have to perform an exotic improv dance to keep from hitting the ground. But don’t wait until your sense of balance fails before you give it proper attention. As we age, balance can sharply decline, often with little warning. An exercise program called BEEP can help.

How you keep your balance

While keeping proper balance may seem simple, it involves a complex system with many moveable parts. Whenever you move, your eyes and brain process information about your surroundings. Your feet detect changes in the terrain. Your arms swing to keep you stable, and your lower-body muscles and joints generate rapid power so you can move forward, stop, and change directions.

Unfortunately, this system works less effectively over time. The sensation of our bodies moving through space is not as crisp, and information travels more slowly between the body and brain. Muscles become weaker, and joints lose flexibility.

Any breakdown in your balance system increases your risk of falls, which can cause hip fractures, broken bones, and head injuries.

“Doing more balance exercises and activities can keep your sense of balance in good shape, but you also want to focus on multifaceted movements that work on all the elements of your balance system,” says Dr. Brad Manor, associate director of the Mobility and Falls Translational Research Center with Harvard-affiliated Hebrew SeniorLife.

There are many kinds of balance exercises. Science has not tapped any specific ones as the best; however, some have stood out in many balance-related studies.

For instance, a 2016 study in the journal Gerontology and Geriatric Medicine found that a specific Balance-Enhancing Exercise Program (called BEEP for short) improved balance skills among adults ages 60 to 80. Study participants did better on both solid and uneven surfaces, and increased their walking speed and overall confidence.

Focus on three exercises to improve balance

The BEEP program focused on three exercises: squats, heel and calf raises, and one-legged standing. “These types of exercises increase both the physical and cognition skills needed for better balance,” says Dr. Manor. “Plus, they mimic movements of everyday life.”

He recommends adding these to your regular workouts or doing them daily on their own.

Squats. Stand with your feet shoulder-width apart. Bend your knees and imagine you are sitting down on a stool. Lower down until your thighs are parallel to the ground, or as far as is comfortable. Keep your weight on your heels. Extend your arms forward or place your hands on a chair, counter, or table for stability. Pause for a second or two, then rise back to the starting position. Do this up to 10 times.

Heel and calf raises. Stand with your arms crossed over your chest and lift your heels, so you rise up on your toes. Hold this position for up to 10 seconds, or as long as possible, and then lower your heels. Do this five to 10 times. If you need support, hold on to a door frame, a table, or another sturdy object. You also can place your hands flat on a wall.

One-legged standing. Stand tall and place your hands on your hips or hold on to a table or chair for stability. Then raise one leg, so your foot is about six to 12 inches above the floor. Keep your gaze straight ahead. Hold for 20 to 30 seconds. Repeat on the other leg. Go back and forth three to five times.

You also can perform these exercises with your eyes closed to work on coordination and concentration. Another option is to “distract” yourself by doing unrelated cognitive tasks — count backward, name words that begin with the same letter, or make a mental supermarket list.

“Balance is definitely a use-it-or-lose-it skill,” says Dr. Manor. “But if you work on your balance continuously, you are almost guaranteed to see improvements.”

About the Author

Matthew Solan, Executive Editor, Harvard Men's Health Watch

Matthew Solan is the executive editor of Harvard Men’s Health Watch. He previously served as executive editor for UCLA Health’s Healthy Years and as a contributor to Duke Medicine’s Health News and Weill Cornell Medical College’s … See Full Bio View all posts by Matthew Solan

About the Reviewer

Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Howard LeWine is a practicing internist at Brigham and Women’s Hospital in Boston, Chief Medical Editor at Harvard Health Publishing, and editor in chief of Harvard Men’s Health Watch. See Full Bio View all posts by Howard E. LeWine, MD