Harvard Health Blog

Androgen deprivation therapy can slow or control prostate cancer, and adding a second class of drugs improves survival when the disease is in advanced stages. But all drugs that block testosterone have challenging side effects, and a review of studies showed that cardiovascular risks worsen when these drugs are given together.

Parenting can be challenging, but childhood and adolescence can be difficult too. How can parents help their kids manage anger, sadness, anxiety, and handle emotionally trying times? Practicing two skills can help both your child and you.

Our internal clocks regulate the sleep-wake cycle, and light establishes when we should feel wakeful or sleepy. Light exposure at night affects these natural processes, so researchers studied whether wearing an eye mask while sleeping might help learning and alertness.

Summer is a great time to take a hike, but it's essential to make sure you're prepared for the weather and conditions where you are. Hiking safely and planning ahead will make your trek more enjoyable.

While alcohol remains the most-used drug in the US, daily cannabis use has outpaced daily drinking. In states where recreational cannabis is legal, a popular new item is cannabis-infused beverages. These products are different from edibles, and the timing and intensity of their effects on the body differ as well.

Although less known and less understood than other types of dementia, Lewy body dementia is the second most common cause of neurodegenerative disease following Alzheimer's. How do its symptoms differ, who is at risk, and how is it diagnosed and treated?

More than 4.5 million dog bites occur in the US each year. Despite what you might expect, most of these are inflicted by a pet dog in a home. Learn more about how you can avoid injury, and what to do if you do get bitten.

When you have a medical appointment, your health provider writes notes on the visit that are available to you. It's a good idea to read these — though you may be surprised or confused by some of the language — and to check in if you have questions or need to make important corrections.

Night blindness makes it hard to see in dim or dark settings, which can affect safety at home and make driving dangerous after dark. While the cause varies, there are steps people can take to address these problems.

Every year, more than 4,500 people die from drowning in the United States. Swimming lessons help save lives and parents should know how to choose the right program and encourage children to learn skills that will help them to stay safe at the beach and around ponds or pools.

When you're packing a hurricane go-bag, keep health priorities in mind. If you don't prepare in advance, you might leave behind medicines, medical supplies, important paperwork, and other essentials that can help you stay healthy. Here's how to plan ahead.

Wondering how to save money, stay cooler, and be kinder to our planet during a long, hot summer? These five tips help ensure maximum fun and suggest ways to stay comfortable and safe this summer while making sustainable choices to benefit the environment.

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.

The navigation sport orienteering combines map and compass reading with exercise. It's a fun way to get outside and get some exercise — and it may even help fight cognitive decline.

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?

Biting bugs are a nuisance and sometimes can spread  illnesses like Lyme disease, Zika, or West Nile virus. To prevent bug bites, take simple precautions and learn how to choose and safely use insect repellents.

Like kayaking or canoeing, paddleboarding provides a serious workout. But before you head out on the water, you'll want to get some key muscle groups in shape, especially ones that probably have not been used much during winter.

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.