Harvard Health Blog

Some people feel very strongly that their gender is not the one they were assigned at birth. When families, health care providers, and others ignore or deny this, or try to stop the person from living as the gender they feel is right for them, it’s not only unkind but dangerous.

It’s difficult to get motivated to be active outside during cold-weather months, but it’s important to your health and can help you meet any fitness goals you’re trying to reach. There are ways to get outside and moving in cold temperatures.

Growing evidence suggests that poor sleep is linked to a host of health problems, including a higher risk of high blood pressure, diabetes, obesity, and heart disease. Now, a recent study on people in midlife finds that having a combination of sleep problems may nearly triple a person’s risk of heart disease.

Alarming rates of anxiety and depression are affecting children and teens across the US. While calls are made to expand much-needed programs and access to services, there are actions parents can take today to support their children’s mental health.

Medicines known as blood thinners are prescribed as long-term treatment to avoid initial or recurring blood clots that could cause serious complications. What does an ad in heavy rotation about the brand name blood thinner Eliquis get right and what else do you need to consider?

A study of Black adults living in the Atlanta area suggests that feeling rooted in community and socializing with neighbors may strongly contribute to better cardiovascular health, which might lower risk for heart attacks and strokes.

New parents might want to wait awhile before considering having another child, and breastfeeding prevents ovulation, so some people use it as a natural birth control method during the early months of an infant’s life. However, it's effective only if a mother is breastfeeding frequently and an infant is receiving only breast milk as food.

The benefits of olive oil to help reduce the risk of heart disease are well-known, but a recent study showed that people who consumed the highest amount of olive oil daily had a lower overall risk of dying early, as well as lower risk of dying from heart disease, cancer, and other diseases.

When you take an aging parent to a medical appointment, you wind up playing many roles. Millions of people in the US are caring for family members and are learning as they go along, so they can benefit from tips to keep them on track before, during, and after the appointment.

The past two years have been hard and children and teens have had to deal with particularly challenging circumstances. Resilience—the ability to overcome hardship and stress—is one of the most important skills parents can teach their children.

Having surgery to remove cataracts restores blurred or distorted vision, helping to improve quality of life for older adults. Now, a new study makes a strong case that removing cataracts may reduce a person’s risk of developing dementia.

Constipation can describe many types of problems with moving your bowels. It becomes chronic when it lasts for weeks or months. Many people are interested in natural remedies for constipation, and one of the most common is adding fiber to your diet. A new study compared three natural sources of fiber, with encouraging results.

The burning of fossil fuels is a major contributor to climate change, and pollution from this burning has been linked to millions of premature deaths worldwide. And, according to a new report, even low levels of air pollution may harm our health although we can take steps to limit exposure.

If you need surgery, does the sex of the surgeon matter? A study reviewed procedures done in Canada over a 12-year period involving more than a million adults, and found that in general, people operated on by female surgeons were less likely to experience complications. But why?

Depression is common among older adults, and insomnia doubles the risk of major depressive disorder. There is increasing evidence that treating insomnia in older people who have both insomnia and major depression has the potential to improve both their sleep and their mood.

Due to the lengthy wait for an appointment with a therapist, many people have turned to the numerous mental health apps available on smartphones. Research did not find convincing evidence that use of any such app resulted in significant improvement in symptoms, but some may be useful as a complement to therapy.

Though decades of research have suggested risk factors for amyotrophic lateral sclerosis, a specific cause remains unknown. New research studied professional football players and found that they had a much higher risk of developing ALS than men in the general population, though the study was only observational.