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As the new year rolls on, sports fans rejoice! You’ve had the excitement of the college football bowl games and the national championship game, the NFL playoff games are winnowing teams down to the Super Bowl contestants, and basketball and hockey seasons are in full swing. Spring training for the upcoming Major League Baseball season is around the corner.

But hold these thoughts a moment. Watching sports — not just playing them — can be hazardous to your health. I’ve seen it firsthand while working in a walk-in clinic near Fenway Park, where people would show up bleeding from cuts that needed stitches (from trips and falls at the stadium), broken bones (from trying to catch a foul ball or an altercation with another fan), and dehydration.

Most of these injuries weren’t life-threatening. But there’s evidence that the health impact of sports spectatorship can be far more serious for some of us — and, perhaps, underappreciated.

What are the health risks of watching live sports?

When you’re watching games in person, some risks are related to the weather and other fans. For example:

• Watching a baseball game in the summer for hours may lead to heat stroke or dehydration.
• Live winter football games may raise the risk of hypothermia, frostbite, or other cold-related problems.
• Stampedes, riots, and brawls between rival fans watching soccer matches are not rare and may actually be on the rise.
• And, as mentioned, spectators of live sports can be injured by balls hit into the stands or other flying objects such as bats, pucks, or golf balls.

How could watching sports on TV boost health risks?

Doctors and nurses often describe how quiet things get in the emergency room during a World Series game or the Super Bowl. But once the game ends, it tends to get much busier. One theory is that people with chest pain, trouble breathing, or other symptoms of a potentially serious problem who ordinarily would have reported to the emergency room right away may delay seeking care until after the game.

Of course, there’s another possibility: the game itself — especially if a game is close and particularly exciting — might cause enough stress on the body that heart attacks, strokes, or other dangerous conditions develop.

Research supporting the idea that watching sports can negatively affect your health includes:

• Older studies have linked hospital admissions for heart failure and cardiac arrest with watching sporting events.
• A 2017 study found that spectators of Montreal Canadiens hockey games experienced a doubling of their heart rate during games. The effect was more pronounced for live games than televised games, but even the latter experience led to faster heart rates similar to the effect of moderate exercise.
• A 2022 study found that hospital admissions for cardiovascular problems jumped 15% during and just after World Cup soccer games.

Together, these studies suggest that watching sports can be stressful enough to trigger dangerous cardiovascular events.

It’s worth emphasizing that most people watching sports enjoy it and do not experience any health problems related to the game. But these studies suggest that spectating may carry some small risk, similar to what might accompany moderate or vigorous exercise. This may be most relevant for people who are older or who already have cardiovascular disease.

What’s a sports fan to do?

One common recommendation is to remember that it’s only a game. Of course, if you care a lot about sports or a particular team, that advice is unlikely to help. A second is to get regular exercise. Staying physically active strengthens the heart and lowers blood pressure, which could help ward off some of the health risks described above.

Five additional game-day precautions are:

• Avoid overeating, especially salty junk food. For some, overindulging in food, drink, and salt can stress the heart or trigger heart failure.
• Be prepared for the weather. Check the forecast. If you’re planning to watch a game in the cold, dress in layers, use hand warmers, and drink warm fluids. If you’re going to be out in the sun, use sunscreen liberally, wear a hat, and hydrate well.
• If you have cardiovascular disease, don’t forget to take your medications, especially if there’s a big game coming up. And if you develop worrisome symptoms, such as chest pain or trouble breathing, seek medical attention right away. Don’t wait till the game ends!
• Stay hydrated and moderate your alcohol intake. Stay well-hydrated by drinking water, especially if you’re out in the heat for hours. Although beer is a liquid, it’s also a diuretic, meaning it can make you urinate more and lose more fluids than other beverages.
• Stay alert at live events. Give yourself a fighting chance of getting out of the way of a line-drive foul ball or an errant bat that’s slipped out of the batter’s hands during a swing.

The bottom line

I can attest to many upsides of watching sports: the excitement of competition and the bonding and camaraderie with likeminded friends, family, and other fans. And perhaps watching sports might improve your health if sports spectatorship sparks sports participation.

While watching sports has been linked to certain health risks, the overall risk is likely low for most people. And you can take steps to reduce this. The health risks of spectatorship only rarely require giving up watching a favorite team. So, put on your team jersey, cheer your team on to victory, and stay healthy while you’re at it. Oh, and watch out for outraged fans or flying bats.

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

If you’ve been stuck mostly at home with one or more family members over the past year, chances are you’ve gotten on one another’s nerves occasionally. When you’re under a lot of stress, it’s not uncommon say something unkind, or even to lash out in anger to someone you care about. And we all make thoughtless mistakes from time to time, like forgetting a promise or breaking something.

Not sure if you should apologize?

Even if you don’t think what you said or did was so bad, or believe that the other person is actually in the wrong, it’s still important to apologize when you’ve hurt or angered someone. “To preserve or re-establish connections with other people, you have to let go of concerns about right and wrong and try instead to understand the other person’s experience,” says Dr. Ronald Siegel, assistant professor of psychology at Harvard Medical School. That ability is one of the cornerstones of emotional intelligence, which underlies healthy, productive relationships of all types.

How to apologize genuinely

For an apology to be effective, it has to be genuine. A successful apology validates that the other person felt offended, and acknowledges responsibility (you accept that your actions caused the other person pain). You want to convey that you truly feel sorry and care about the person who was hurt, and promise to make amends, including by taking steps to avoid similar mishaps going forward as in the examples below.

According to the late psychiatrist Dr. Aaron Lazare, an apology expert and former chancellor and dean of the University of Massachusetts Medical School, a good apology has four elements:

• Acknowledge the offense. Take responsibility for the offense, whether it was a physical or psychological harm, and confirm that your behavior was not acceptable. Avoid using vague or evasive language, or wording an apology in a way that minimizes the offense or questions whether the victim was really hurt.
• Explain what happened. The challenge here is to explain how the offense occurred without excusing it. In fact, sometimes the best strategy is to say there is no excuse.
• Express remorse. If you regret the error or feel ashamed or humiliated, say so: this is all part of expressing sincere remorse.
• Offer to make amends. For example, if you have damaged someone’s property, have it repaired or replace it. When the offense has hurt someone’s feelings, acknowledge the pain and promise to try to be more sensitive in the future.

Making a heartfelt apology

The words you choose for your apology count. Here are some examples of good and bad apologies.

About the Author

Julie Corliss, Executive Editor, Harvard Heart Letter

Julie Corliss is the executive editor of the Harvard Heart Letter. Before working at Harvard, she was a medical writer and editor at HealthNews, a consumer newsletter affiliated with The New England Journal of Medicine. She … See Full Bio View all posts by Julie Corliss

About the Reviewer

Howard E. LeWine, MD, Chief Medical Editor, 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

Lifestyle changes like regular exercise, a healthy diet, and sufficient sleep are cornerstones of self-care for people with type 2 diabetes.

But what about mind-body practices? Can they also help people manage or even treat type 2 diabetes? An analysis of multiple studies, published in the Journal of Integrative and Complementary Medicine, suggests they might.

Which mindfulness practices did the study look at?

Researchers analyzed 28 studies that explored the effect of mind-body practices on people with type 2 diabetes. Those participating in the studies did not need insulin to control their diabetes, or have certain health conditions such as heart or kidney disease. The mind-body activities used in the research were:

• yoga
• qigong, a slow-moving martial art similar to tai chi
• mindfulness-based stress reduction, a training program designed to help people manage stress and anxiety
• meditation
• guided imagery, visualizing positive images to relax the mind.

How often and over what time period people engaged in the activities varied, ranging from daily to several times a week, and from four weeks to six months.

What did the study find about people with diabetes who practiced mindfulness?

Those who participated in any of the mind-body activities for any length of time lowered their levels of hemoglobin A1C, a key marker for diabetes. On average, A1C levels dropped by 0.84%. This is similar to the effect of taking metformin (Glucophage), a first-line medication for treating type 2 diabetes, according to the researchers.

A1C levels are determined by a blood test that shows a person’s average blood sugar levels over the past two to three months. Levels below 5.7% are deemed normal, levels from 5.7% to less than 6.5% are considered prediabetes, and levels 6.5% and higher are in the diabetes range.

How can mind-body practices help control blood sugar?

Their ability to reduce stress may play a big part. “Yoga and other mindfulness practices elicit a relaxation response — the opposite of the stress response,” says Dr. Shalu Ramchandani, a health coach and internist at the Harvard-affiliated Benson-Henry Institute for Mind Body Medicine at Massachusetts General Hospital. “A relaxation response can lower levels of the stress hormone cortisol. This improves insulin resistance and keeps blood sugar levels in check, thus lowering A1C levels.”

A relaxation response can help people with diabetes in other ways, such as by improving blood flow and lowering blood pressure, which protects against heart attacks and strokes.

What else should you know about this study?

The results of studies like this suggest a link between various mind-body practices and lower A1C levels, but do not offer firm proof of it. Levels of participation varied widely. But because all mindfulness practices studied had a modest positive effect, the researchers suggested that these types of activities could become part of diabetes therapy along with standard lifestyle treatments.

Could mind-body practices protect people against developing type 2 diabetes, especially for those at high risk? While this study wasn’t designed to look at this, Dr. Ramchandani again points to the long-range benefits of the relaxation response.

“Reducing and managing stress leads to improved moods, and greater self-awareness and self-regulation,” she says. “This can lead to more mindful eating, such as fighting cravings for unhealthy foods, adhering to a good diet, and committing to regular exercise, all of which can help reduce one’s risk for type 2 diabetes.”

Trying mind-body practices

There are many ways to adopt mind-body practices that can create relaxation responses. Here are some suggestions from Dr. Ramchandani:

• Do a daily 10-minute or longer meditation using an app like Insight Timer, Calm, or Headspace.
• Attend a gentle yoga, qigong, or tai chi class at a local yoga studio or community center.
• Try videos and exercises to help reduce stress and initiate relaxation responses.
• Practice slow controlled breathing. Lie on your back with one or both of your hands on your abdomen. Inhale slowly and deeply, drawing air into the lowest part of your lungs so your hand rises. Your belly should expand and rise as you inhale, then contract and lower as you exhale. Repeat for several minutes.

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

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

Experiencing discrimination in the workplace — where many adults spend one-third of their time, on average — may be harmful to your heart health.

A 2023 study in the Journal of the American Heart Association found that people who reported high levels of discrimination on the job were more likely to develop high blood pressure than those who reported low levels of workplace discrimination.

Workplace discrimination refers to unfair conditions or unpleasant treatment because of personal characteristics — particularly race, sex, or age.

How can discrimination affect our health?

“The daily hassles and indignities people experience from discrimination are a specific type of stress that is not always included in traditional measures of stress and adversity,” says sociologist David R. Williams, professor of public health at the Harvard T.H. Chan School of Public Health.

Yet multiple studies have documented that experiencing discrimination increases risk for developing a broad range of factors linked to heart disease. Along with high blood pressure, this can also include chronic low-grade inflammation, obesity, and type 2 diabetes.

More than 25 years ago, Williams created the Everyday Discrimination Scale. This is the most widely used measure of discrimination’s effects on health.

Who participated in the study of workplace discrimination?

The study followed a nationwide sample of 1,246 adults across a broad range of occupations and education levels, with roughly equal numbers of men and women.

Most were middle-aged, white, and married. They were mostly nonsmokers, drank low to moderate amounts of alcohol, and did moderate to high levels of exercise. None had high blood pressure at the baseline measurements.

How was discrimination measured and what did the study find?

The study is the first to show that discrimination in the workplace can raise blood pressure.

To measure discrimination levels, researchers used a test that included these six questions:

• How often do you think you are unfairly given tasks that no one else wanted to do?
• How often are you watched more closely than other workers?
• How often does your supervisor or boss use ethnic, racial, or sexual slurs or jokes?
• How often do your coworkers use ethnic, racial, or sexual slurs or jokes?
• How often do you feel that you are ignored or not taken seriously by your boss?
• How often has a coworker with less experience and qualifications gotten promoted before you?

Based on the responses, researchers calculated discrimination scores and divided participants into groups with low, intermediate, and high scores.

• After a follow-up of roughly eight years, about 26% of all participants reported developing high blood pressure.
• Compared to people who scored low on workplace discrimination at the start of the study, those with intermediate or high scores were 22% and 54% more likely, respectively, to report high blood pressure during the follow-up.

How could discrimination affect blood pressure?

Discrimination can cause emotional stress, which activates the body’s fight-or-flight response. The resulting surge of hormones makes the heart beat faster and blood vessels narrow, which causes blood pressure to rise temporarily. But if the stress response is triggered repeatedly, blood pressure may remain consistently high.

Discrimination may arise from unfair treatment based on a range of factors, including race, gender, religious affiliation, or sexual orientation. The specific attribution doesn’t seem to matter, says Williams. “Broadly speaking, the effects of discrimination on health are similar, regardless of the attribution,” he says, noting that the Everyday Discrimination Scale was specifically designed to capture a range of different forms of discrimination.

What are the limitations of this study?

One limitation of this recent study is that only 6% of the participants were nonwhite, and these individuals were less likely to take part in the follow-up session of the study. As a result, the study may not have fully or accurately captured workplace discrimination among people from different racial groups. In addition, blood pressure was self-reported, which may be less reliable than measurements directly documented by medical professionals.

What may limit the health impact of workplace discrimination?

At the organizational level, no studies have directly addressed this issue. Preliminary evidence suggests that improving working conditions, such as decreasing job demands and increasing job control, may help lower blood pressure, according to the study authors. In addition, the American Heart Association recently released a report, Driving Health Equity in the Workplace, that aims to address drivers of health inequities in the workplace.

Encouraging greater awareness of implicit bias may be one way to help reduce discrimination in the workplace. Implicit bias refers to the unconscious assumptions and prejudgments people have about groups of people that may underlie some discriminatory behaviors. You can explore implicit biases with these tests, which were developed at Harvard and other universities.

On an individual level, stress management training can reduce blood pressure. A range of stress-relieving strategies may offer similar benefits. Regularly practicing relaxation techniques or brief mindfulness reflections, learning ways to cope with negative thoughts, and getting sufficient exercise can help.

About the Author

Julie Corliss, Executive Editor, Harvard Heart Letter

Julie Corliss is the executive editor of the Harvard Heart Letter. Before working at Harvard, she was a medical writer and editor at HealthNews, a consumer newsletter affiliated with The New England Journal of Medicine. She … See Full Bio View all posts by Julie Corliss

About the Reviewer

Howard E. LeWine, MD, Chief Medical Editor, 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

Feeling sad, anxious, or angry at times is a normal part of the human experience. But do you — or someone you’re close to — seem to experience these and similar emotions more quickly, more frequently, and more intensely than most people?

This problem, known as emotional dysregulation, is a hallmark of many mental health conditions, but especially borderline personality disorder. The most effective treatment for borderline personality disorder is dialectical behavior therapy (DBT), which has also been shown to help people experiencing other issues. What is DBT, who might benefit from this form of therapy, and how is it applied?

What is DBT?

DBT focuses on teaching people skills to manage intense emotions, cope with challenging situations, and improve their relationships. It encourages people to learn and use mindfulness training in practical ways.

During individual and group sessions, therapists encourage a nonjudgmental attitude and emphasize acceptance, compassion, and other aspects of mindfulness.

Who may benefit from DBT?

DBT has a proven track record for addressing the most debilitating symptoms of borderline personality disorder: self-injury and suicide threats or attempts. It is now also used to treat depression, post-traumatic stress disorder, eating disorders, and substance use disorders.

In fact, the cornerstone of DBT — the skills training — can help anyone navigate emotionally charged situations with more ease.

How can mindfulness change how people experience strong emotions?

Many people in therapy have very strong emotions that lead to negative thoughts, says Dr. Blaise Aguirre, a psychiatrist who founded the 3 East Dialectic Behavior Therapy Continuum at Harvard-affiliated McLean Hospital. “They say things like, ‘I’m stupid,’ or ‘I can’t control my anger,’ or ‘No one will ever love me,'” he says.

The mindfulness aspect of DBT teaches people to pay careful attention to the nature, quality, and volume of their thoughts. The idea is to observe these thoughts as separate from yourself without identifying with their meaning. This is the first step to addressing the impact of those thoughts, Dr. Aguirre explains.

How does DBT differ from cognitive behavioral therapy?

DBT is derived from cognitive behavioral therapy (CBT). CBT assumes that certain negative thoughts (cognitions) are distortions, and if you learn how to swap those distorted thoughts with more productive ones, you’ll be less depressed or anxious.

“But for someone with very deep emotions and convictions, telling them that their thoughts and feelings are somehow ‘wrong’ feels very invalidating,” says Dr. Aguirre. A DBT-trained therapist would instead acknowledge that the person’s thoughts make sense, given who they are and their experiences. This practice, known as validation, is a central tenet of DBT. It’s key to know that you can validate a person’s thoughts even if you don’t agree with them.

That concept touches on the core of DBT — the dialectical part. It refers to the idea that two opposite things can be true at the same time. Rather than viewing things in extremes of black and white, DBT encourages people to recognize there’s more than one way to view a situation and to try to “walk the middle path.” A classic DBT mantra is “I’m doing the best that I can in this moment, and I want to and can do better.”

What other skills does DBT rely on?

In addition to mindfulness, DBT teaches three other main skills:

• Distress tolerance is the ability to manage emotional distress in the moment, using techniques such as distraction.
• Emotion regulation involves recognizing, accepting, and managing intense emotions.
• Interpersonal effectiveness focuses on improving communication with other people to strengthen relationships and improve your self-esteem.

What does DBT entail?

Ideally, DBT includes one-on-one sessions with a therapist (who is also available between sessions for phone or text coaching). The one-on-one sessions are combined with weekly group sessions led by a therapist who teaches the specific, interconnected skills and gives homework that helps to reinforce the skills. Participants are encouraged to keep a daily diary to track their emotions, behaviors, reactions, and examples of how they’re practicing their skills.

DBT has been shown to be effective for people ranging from adolescents to older adults with a range of mental health conditions. It appears to be especially useful for adolescents, perhaps for the same reason that it’s easier to learn a language or how to play an instrument when you’re younger rather than older, says Dr. Aguirre.

Are there different options for gaining access to DBT?

Accessing the full DBT experience can be challenging for many people. The skills groups meet for one to two hours weekly for six to 12 months, which is in addition to weekly, hour-long sessions with an individual therapist. Individual therapy may cost as much as $250 to $300 per hour, and the groups are often around $100 per hour. Not all DBT providers accept insurance.

“We’re starting to recognize that the majority of people can improve just doing the skills groups and don’t need the full DBT,” says Dr. Aguirre.

But for teens who are suicidal or harming themselves, intensive DBT can help keep them out of the hospital and potentially save their lives. “If your child had cancer, you wouldn’t think twice about taking them in for chemotherapy infusions twice a week,” says Dr. Aguirre.

Another problem is that there aren’t many DBT-trained providers in less populated parts of the country. Online DBT therapy may be an option, although its effectiveness hasn’t been studied.

Is there one simple DBT tool I can try?

If a family member struggles with very strong emotions, Dr. Aguirre offers this mini-DBT lesson about validation. Situations that trigger intense emotions are often rooted in a perception of abandonment, neglect, or rejection, he says. For example, if a person believes that someone at work is avoiding them, or a romantic partner doesn’t show up on time, it can trigger a rapid rise in emotional distress.

Here’s what to avoid saying:

“You have to calm down.”

“You are making a big deal over nothing.”

“When I am upset, I make myself a nice cup of tea and that should help you, too.”

Here’s what you can say instead:

“You seem really upset. Do you want to talk about it, or do you want some time by yourself?’

“You seem very sad. I am around if you want to talk.”

“Is there anything that I can do to help?”

“These types of statements validate the person’s feelings and convey that you’re listening and open to helping, if that’s what they want,” says Dr. Aguirre.

About the Author

Julie Corliss, Executive Editor, Harvard Heart Letter

Julie Corliss is the executive editor of the Harvard Heart Letter. Before working at Harvard, she was a medical writer and editor at HealthNews, a consumer newsletter affiliated with The New England Journal of Medicine. She … See Full Bio View all posts by Julie Corliss

About the Reviewer

Howard E. LeWine, MD, Chief Medical Editor, 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

Early in the new year, promises to reboot your health typically focus on diet, exercise, and weight loss. And by now you may have begun making changes — or at least plans — to reach those goals. But consider going beyond the big three.

Below are 10 often-overlooked, simple ideas to step up personal health and safety. And most won’t make you break a sweat.

Review your health portals

Your medical information is kept in electronic records. You have access to them through the patient portal associated with your doctor’s office. Set aside time to update portal passwords and peruse recent records of appointments, test results, and notes your doctor took during your visits.

“Many studies have shown that when patients review the notes, they remember far better what went on during interactions with their clinicians, take their medicines more effectively, and pick up on errors — whether it’s an appointment they forgot to make or something their doctor, nurse, or therapist got wrong in documenting an encounter,” says Dr. Tom Delbanco, the John F. Keane & Family Professor of Medicine at Harvard Medical School and cofounder of the OpenNotes initiative, which led shared clinician notes to become the new standard of care.

Doing this can help you become more engaged in your care. “We know from numerous studies that engaged patients who share decisions with those caring for them have better outcomes,” he adds.

Ask about health insurance freebies

Your insurance plan may offer perks that can lead to better health, such as:

• weight loss cessation programs
• quit-smoking programs
• free or reduced gym memberships.

Some insurers even offer breastfeeding counseling and equipment. Call your insurance company or take a close look at their website to find out if there’s anything that would help you.

Get rid of expired medications

Scour your cabinets for expired or unneeded drugs, which pose dangers for you and others. Look for prescription and over-the-counter medications (pills, potions, creams, lotions, droppers, or aerosol cans) as well as supplements (vitamins, minerals, herbs).

Bring your finds to a drug take-back site, such as a drugstore or law enforcement office, or a medical waste collection site such as the local landfill.

As a last resort, toss medications into the trash, but only after mixing them with unappealing substances (such as cat litter or used coffee grounds) and placing the mixture in a sealable plastic bag or container.

Invest in new sneakers

The wrong equipment can sabotage any exercise routine, and for many people the culprit is a worn pair of sneakers. Inspect yours for holes, flattened arch support, and worn treads. New sneakers could motivate you to jazz up your walking or running routine.

For example, if it’s in the budget, buy a new pair of walking shoes with a wide toe box, cushy insoles, good arch support, a sturdy heel counter (the part that goes around your heel), stretchy uppers, and the right length — at least half an inch longer than your longest toe.

Cue up a new health app

There are more than 350,000 health apps geared toward consumer health. They can help you with everything from managing your medications or chronic disease to providing instruction and prompts for improving diet, sleep, or exercise routines, enhancing mental health, easing stress, practicing mindfulness, and more.

Hunt for apps that are free or offer a free trial period for a test drive. Look for good reviews, strong privacy guardrails, apps that don’t collect too much information from you, and those that are popular — with hundreds of thousands or millions of downloads.

Make a schedule for health screenings and visits

Is it time for a colonoscopy, mammogram, hearing test, prostate check, or comprehensive eye exam? Has it been a while since you had a dermatologist examine the skin on your whole body? Should you have a cholesterol test or other blood work — and when is a bone density test helpful?

If you’re not sure, call your primary care provider or any specialists on your health team to get answers.

Four more simple healthy steps

The list of steps you can take this year to benefit your health can be as long as you’d like it to be. Jot down goals any time you think of them.

Here are four solid steps to start you off:

• Take some deep breaths each day. A few minutes of daily slow, deep breathing can help lower your blood pressure and ease stress.
• Get a new pair of sunglasses if your old ones have worn lenses. Make sure the new pair has UV protection (a special coating) to block the sun’s ultraviolet (UV) light, which can cause eye damage and lead to permanent vision loss.
• Make a few lunch dates or phone dates with friends you haven’t seen in a while. Being socially connected wards off loneliness and isolation, which can help lower certain health risks.
• Do a deep cleaning on one room in your home per week. Dust and mold can trigger allergies, asthma, and even illness.

You don’t have to do all of these activities at once. Just put them on your to-do list, along with the larger resolutions you’re working on. Now you’ll have a curated list of goals of varying sizes. The more goals you reach, the better you’ll feel. And that will make for a very healthy year, indeed.

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

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

Dementia usually develops in people ages 65 years and older. So-called young-onset dementia, occurring in those younger than age 65, is uncommon. Now, a new study published in December 2023 in JAMA Neurology has identified 15 factors linked to a higher risk of young-onset dementia.

Let’s see what they found, and — most importantly — what you can do to reduce your own risks.

Are early dementia and young-onset dementia the same?

No. Experts think of early dementia as the first stage in dementia. Mild cognitive impairment and mild dementia are forms of early dementia. So, someone age 50, 65, or 88 could have early dementia.

Young-onset dementia refers to the age at which dementia is diagnosed. A person has young-onset dementia if symptoms and diagnosis occur before age 65.

What has previous research shown?

A previous study of men in Sweden identified some risk factors for young-onset dementia, including high blood pressure, stroke, depression, alcohol use disorder, vitamin D deficiency, drug use disorder, and overall cognitive function.

What to know about the new study

In the new study, a research team in the Netherlands and the United Kingdom looked at data from the UK Biobank. The biobank follows about half a million individuals in the United Kingdom who were 37 to 73 years old when they first joined the project between 2006 and 2010. Most participants identified as white (89%), and the remaining 11% were described only as “other.” Slightly more than half of the participants (54%) were women.

The researchers excluded anyone age 65 or older and people who already had dementia at the start of the study, leaving 356,052 participants for the analyses. Over roughly a decade, 485 participants developed young-onset dementia. The researchers compared participants who did and did not develop young-onset dementia to identify possible risk factors.

What did the researchers learn about risks for young-onset dementia?

In reviewing the results, I think it is helpful to group the risk factors into several categories, and then to examine each of them. These risks may act on the brain directly or indirectly.

Eight factors that we know or strongly suspect cause dementia:

• Genes: Carrying two apolipoprotein E (APOE) ε4 alleles is a major genetic risk factor for Alzheimer’s disease. The risk is thought to be caused by the APOE ε4 protein not clearing amyloid efficiently from the brain. This allows amyloid to accumulate and cause plaques, which starts the cascade to cell death and Alzheimer’s disease.
• Being diagnosed with alcohol use disorder (AUD) has been associated with damage to several parts of the brain, including the frontal lobes, which leads to trouble with executive function and working memory. When combined with poor nutrition, AUD also harms small regions connected to the hippocampus that are critical for forming new memories.
• Being socially isolated is a major risk factor for dementia. Although the exact mechanism is unknown, it may be because our brains evolved, in large part, for social interactions. Individuals with fewer social contacts have fewer social interactions, and simply don’t use their brains enough to keep them healthy.
• Not getting enough vitamin D can lead to more viral infections. A number of studies suggest that certain viral infections increase your risk of dementia.
• Not hearing well increases your risk for dementia, as I discussed in a prior post. This is likely because of reduced brain stimulation and reduced social interactions. Using hearing aids lessens that risk.
• Previously having had a stroke is a risk factor because strokes damage the brain directly, which can lead to vascular dementia.
• Having heart disease is a major risk factor for strokes, which can then lead to vascular dementia.
• Having diabetes if you’re a man can lead to dementia in many different ways. Why only if you’re a man? The researchers suggest that it is because middle-aged men are more likely to have a diabetes-related ministrokes than middle-aged women, which can, again, lead to vascular dementia.

Two factors that reduce cognitive reserve

Cognitive reserve can be described as our capacity to think, improvise, and problem-solve even as our brains change with age. These two risk factors make it more likely that dementia symptoms will show up at a younger age.

• Having less formal education may affect your familiarity with the items on the pencil-and-paper cognitive tests that are used to diagnose dementia.
• Having lower socioeconomic status may be related to lower-quality education.

Is every factor identified in the study a clear risk?

No, and here’s why not: Sometimes research turns up apparent risk factors that might be due to reverse causation. It’s possible, for example, that symptoms of impending dementia appear to be risk factors because they become noticeable before obvious dementia is diagnosed.

• Lower handgrip strength is a sign of frailty, which is often associated with dementia.
• No alcohol use is a risk factor because people may stop drinking when they develop memory loss (also known as the “healthy drinker effect” in dementia).
• Depression is a risk factor because many people get sad when they have trouble remembering or when they are worried about having dementia.

Lastly, there are risk factors that could be either a contributing cause or a result of the impending dementia.

• High C-reactive protein is a sign of inflammation.
• Orthostatic hypotension is an abnormal drop in blood pressure when a person stands up after lying down or sitting. While this condition can lead to brain damage and dementia, it can also be a result of some types of dementia, such as Parkinson’s disease dementia and dementia with Lewy bodies.

What can you do to prevent young-onset dementia?

Taking these five steps can reduce your risk for developing dementia before age 65:

• Don’t drink alcohol in excess.
• Seek opportunities to socialize with others regularly.
• Make sure that you’re getting enough vitamin D. You can make your own vitamin D if your skin (without sunblock) is exposed to sunlight. But in northern climates you might need to take a supplement, especially in the winter. Because vitamin D can interact with other medications, ask your doctor about this option.
• Make sure you are hearing well and use hearing aids if you are not.
• Exercise regularly, eat a healthy diet, maintain a healthy body weight, and work with your doctor to reduce your risk of strokes, heart disease, and diabetes.

About the Author

Andrew E. Budson, MD, Contributor; Editorial Advisory Board Member, Harvard Health Publishing

Dr. Andrew E. Budson is chief of cognitive & behavioral neurology at the Veterans Affairs Boston Healthcare System, lecturer in neurology at Harvard Medical School, and chair of the Science of Learning Innovation Group at the … See Full Bio View all posts by Andrew E. Budson, MD