Harvard Health Blog

The increasing size and visibility of the transgender population has implications for public health. Hormone treatment given to transgender women lowers the overall risk of prostate cancer, but the risk of a trans woman developing the disease is not zero.

Cutting back on red meat and replacing it with poultry or seafood is a good choice because those are healthier sources of protein — and better for the environment. Choosing seafood that is lower on the food chain can amplify those benefits.

Some people who have been infected with the virus that causes COVID-19  have experienced lingering effects like low energy and brain fog. Could gastrointestinal problems be another aftereffect of the virus?

A new study finds that many people with obesity avoid exercising because they fear their weight makes injury more likely. But everyone, at every weight, can find ways to exercise safely, confidently, and joyfully.

Everyone has moments when their brain feels like it's gone haywire. When these racing thoughts take over the mind can't stay focused, feeding into a cycle of anxiety. But there are things you can do to break this cycle and regain control.

Loneliness boosts risk for many health problems, and can even contribute to an early death. Many people find it hard to reach out to make new friends, but there are strategies that can help.

The COVID-19 pandemic affected children's developing social skills. Many children either didn't learn the skills they need to make friends — or those skills got rusty. Here are some ways parents can help.

Therapies using an electric current for brain stimulation are not new, but marketing devices for home use is a relatively recent phenomenon. While claims include better energy, focus, mood and more, current evidence doesn't support this and the FDA hasn't cleared these devices.

Mounting evidence paints a worrisome picture of the potential health consequences of nontraditional shift work schedules. So how can people who are required to work during the night and sleep during the day protect their health and well-being?

A pre-surgery consultation with the surgeon can feel overwhelming. Many people are anxious and have questions about what's to come. Setting the right expectations on both sides can ease anxiety and help define a successful outcome.

Beverages that promise similar energy perks and health benefits as coffee and tea are growing in popularity. Often marketed as wellness drinks, how do these alternatives stack up nutritionally?

Frontotemporal dementia (FTD) is a brain disorder caused by damage to nerves in certain parts of the brain. It typically affects people in middle age, and is characterized by marked changes in behavior or problems with language.

Dementia occurs more often among older people with higher levels of hearing loss than among those with normal hearing. A new study found that wearing hearing aids reduced the risk for dementia in people who had significant hearing loss.

Doctors used to recommend treating all men with prostate cancer; now they are likely to advise active surveillance for lower-risk cancers. But some men require closer monitoring — so how do they determine which ones?

The human heart normally keeps a predictable pace, but occasionally you might notice a sensation that feels like your heart is racing, fluttering, or has skipped a beat. While this can be alarming, it's usually not a cause for concern.

Infertility affects millions of people worldwide. Chronic inflammation has been linked to many health conditions and some research suggests it might be a contributing factor for some cases of infertility. And if true, would an anti-inflammatory diet or lifestyle boost fertility?

Weight can be a sensitive topic with children and teens, and sometimes a child needs to gain some weight. Checking with your doctor before working on adding weight and emphasizing healthy, high-calorie foods are important.

Cervical cancer is curable when caught early through routine screening, so research showing a surprising rise in advanced cancer cases in some groups is worrisome. Two Harvard experts share insights about the research and advice on how people can best protect themselves.

Lifestyle changes like regular exercise, a healthy diet, and sufficient sleep are cornerstones of self-care for people with type 2 diabetes. But can mind-body practices help people manage or even treat type 2 diabetes? An analysis of multiple studies suggests they might.

More than a million nerve connections are made in the brain in the first few years of life. Babies and young children thrive with responsive caregiving, such as engaging a child in playful games that change as they grow.

Drug ads appear everywhere in the US, but how do highly promoted new medications stack up against other available treatments? Aside from cost –– including billions spent on marketing –– there may also be health implications.

Burnout — whatever the cause — can lead to depression and anxiety, and affect your relationships and ability to function. But it's possible to replenish your energy and enjoyment of life.

Simply being pregnant poses significant short-term and long-term risks to health, particularly in the US. Since the Supreme Court overturned a national constitutional right to abortion last year, choices around pregnancy have gotten even more complicated — and more dangerous for some.