Harvard Health Blog

Men with advanced prostate cancer are typically treated with drugs that cause testosterone levels to plummet. Testosterone is a hormone that fuels growing prostate tumors, so ideally this type of treatment, which is called androgen deprivation therapy (ADT), or hormonal therapy, will stall the disease in its tracks. For that to happen, ADT has to […]

Does what you eat affect whether or not you get acne? This has been debated for a long time. A survey of the dietary habits of more than 24,000 older adults suggests that people who eat a diet high in fat and sugar are more likely to develop adult acne.

The COVID-19 pandemic shone a light on disparities in health care and socioeconomic status, and drove food insecurity to an all-time high, particularly in communities most affected by the virus. Research shows links between food insecurity and eating disorders like bulimia and anorexia.

The discovery that the urinary tract has a microbiome analogous to the one in the digestive tract has led to research showing that in women with urinary incontinence, their urinary microbiome differs from those in women who do not have urinary incontinence.

It’s likely people are trying to spend more time outside this summer, whether to avoid indoor situations where COVID-19 may spread or just for enjoyment. But the threat from illnesses spread by ticks and mosquitoes hasn’t changed, so knowing basic information about insect repellent, and using it the right way, will help people protect themselves.

While many children and teens are prescribed psychotropic medicines to treat conditions like depression or attention deficit hyperactivity disorder (ADHD), a comprehensive look at safety data has been lacking. A recent review of multiple studies synthesizes evidence on the side effect profiles of many widely used medicines.

Hotter summer temperatures and prolonged periods of intense heat can lead to heat-related illness — and even deaths –– particularly in areas known as urban heat islands. People who are elderly and those with existing health problems are especially vulnerable. Know what to do to protect yourself and others.

Summer activities are underway and some schools will be reopening come September. Does your child need a physical exam, or a form from the pediatrician? Here’s how to think through the options for fulfilling these requirements.

Many lifestyle factors can influence the development of atrial fibrillation, and doctors now better understand the importance of these factors in treating afib. Those who are at risk of developing afib can take action to improve their health, and in some cases they may be able to reduce their symptoms.

Most people understand the risks of sun exposure, even if they do not regularly wear sunscreen, but getting younger people to pay attention to this concern can be difficult. A study chose a novel approach to this problem by appealing to teenagers’ vanity and focus on their appearance.

Many people with sleep apnea find that a CPAP machine helps them, but others struggle and have difficulty using a CPAP machine. There are many reasons this could be happening, and it’s important for people to work with their doctor to troubleshoot and try adjustments that can make using the machine easier and more effective.

Playing youth sports is a great way for children to be active and learn important socialization skills, but the risks of COVID-19 mean parents with children who participate in sports must consider a number of factors when deciding whether to play.

It has been known for some time that air pollution causes heart and lung diseases. Now, results from three different studies on populations in different parts of the world show an association between higher levels of air pollution and greater risk of cognitive impairment, dementia, and Alzheimer’s disease.

Headphones and earbuds are nearly ubiquitous, but how often do people think about whether or not they are using them safely? Knowing about safe listening levels and safe length of listening time will help people protect themselves while using their listening devices.

People who are allergic to penicillin are often given less effective medications that can make them more susceptible to infections, but many people who believe they are allergic to penicillin are not. New techniques are allowing medical providers to assess whether or not a person has a true penicillin allergy.

Because metabolic syndrome boosts the risk of developing several serious health problems, a troubling rise in rates of occurrence of metabolic syndrome among certain segments of the US population is of great concern.