Harvard Health Blog

Research shows that the LGBTQIA2+ community faces disproportionate adverse health conditions due to health inequities. It's important for those working in the health care industry to be aware of the challenges the LGBTQIA2+ community faces, to help make systemic changes and improve health outcomes.

Mounting evidence suggests that wildfires, which are increasing in intensity and frequency, contribute to skin problems, including eczema flares. Here's what you need to know to protect your skin from wildfire pollution.

Modern medicine offers ever-expanding ways to heal and prevent disease, but it's also true that health care can cause harm. Some harms are preventable while others are much harder to control. So how can you reduce your chances of being harmed?

It's well known that ultra-processed foods are unhealthy. But what if you follow a healthy diet yet also eat some ultra-processed foods? A new study found that this still poses a risk for brain health.

Trillions of cicadas are expected to emerge in the US by the end of June, especially in the Midwest. In many parts of the world insects are considered a low-cost source of calories and protein, but some people still won't want to eat them — and some people shouldn't.

Resilience is a psychological response that helps you adapt to life's difficulties and seek a path forward through challenges. While everyone has the ability to be resilient, life stresses can take a toll on you. It's possible to cultivate resilience — but how?

Cognitive behavioral therapy, or CBT, teaches people to challenge negative thought patterns and change their responses to unsettling situations. It is an effective therapy for many mental health conditions as well as issues like pain or insomnia, and for managing difficult life experiences.

When cancer patients are treated with radiation, it's possible that the therapy itself may cause new tumors to form in the body later. Canadian researchers published findings in 2014 finding no difference between groups of men treated with cancer or with surgery — but following up another decade later, there was a clear increase in risk.

Not all drug side effects are created equal: some are tolerable, some are dangerous –– and some may turn out to be surprisingly beneficial with weight loss and hair growth as superstar examples. Silver linings like these can lead to a new purpose for some medications.

If you've ever had food poisoning caused by Salmonella bacteria, you know it's unpleasant but typically goes away within two to three days. You may not know that these bacteria sicken more than a million people in the US each year — and can be deadly for some. You can take steps to avoid getting sick.

It's never easy for parents to talk to their teens about sex, so many are understandably hesitant to do so. But even if teens are not yet sexually active, it's important for them to have accurate information about sexually transmitted infections to keep themselves safe and healthy.

Exfoliation — the process of removing dead cells from the skin's outer layer — can make skin glow, help even out coloring, and offer other benefits, but it can also irritate or inflame. Which products should you choose and how often can you exfoliate?

PTSD (post-traumatic stress disorder) is a potentially debilitating mental health condition marked by recurrent, frightening episodes during which a person relives a traumatic event. Newly released guidelines can help guide treatment; they recommend which therapies are most effective, and which are not recommended.

Virtual mental health care visits have become more popular in recent years. Here's what to know about finding and scheduling care, tech requirements, and making these visits work well for you.

A bird flu strain that began circulating in 2020 continues to evolve globally and locally within the United States. If you're wondering what this means, understanding the basics — what bird flu is, how it spreads, whether foods are safe, and prevention tips — can help.

When a PSA test produces an abnormal result, the next step is usually a prostate biopsy, but these have drawbacks. Researchers are exploring strategies to avoid unnecessary biopsies, and a test that screens for prostate cancer in urine samples has shown promising results in testing.

One condition affecting the hands and fingers is Dupuytren's contracture, where one or more fingers become curled, making it difficult to perform everyday activities. Dupuytren's affects one in 20 Americans, so what do people need to know about it?

A healthy diet is key to a healthy gut microbiome, which helps the immune system function well and reduces chronic inflammation among other important tasks. And increasing evidence suggests that fiber and fermented foods can play important roles in gut health.

It can be frustrating to be asked to fill out medical forms yet again for a health care visit. But even if you have an electronic medical record, a practice might need you to provide or update information, and it's helpful to know what is most important or likely to be requested.

Trees enhance our lives by releasing oxygen, reducing pollution, and preventing flooding. Beyond all of these benefits, there is growing evidence that just being around trees and green spaces improves mood and overall health.

A new type of nonhormonal medication to prevent hot flashes and night sweats due to menopause, Veozah, was approved by the FDA in 2023. An ad for the drug has useful information, but some key questions are not answered.

Concussion is one of the most common injuries to the brain, affecting about two million children and teens every year. Understanding signs, symptoms, questions to ask, and how concussion care has changed in recent years can make a difference in identifying concussion and recovery.

Most people have four parathyroid glands, which are tiny in size but very important to the body's function. These glands are involved in regulating calcium, phosphorous, and vitamin D, keeping these nutrients in balance without being noticed by us.

Co-regulation is a process in which caregivers can help young people learn better ways to regulate their emotions during the inevitable upsets and challenges of life. But before a caregiver can help a child, they need to understand their own emotional skills and limitations.