Harvard Health Blog

Different types of nail polish can have varying effects on fingernails, and have pros and cons depending on the chemicals used in making them.

Over the past decade, research has revealed that the majority of patients treated for cancer experience difficulties with memory, attention, concentration, and thinking. There are several lifestyle actions that can help improve these symptoms, as well as certain medications.

Stroke survivors are typically discharged with a program of exercises meant to help them regain independence. But researchers found that an aerobic training in a stroke rehabilitation program similar to that offered to some heart attack patients helped stroke patients improve their aerobic capacity.

Many products containing CBD claim to help women with various health issues, including sleep, mood, symptoms of PMS or menopause, and sexual pleasure. Currently, very little evidence supports these extravagant promises, and there are concerns about the quality and safety of CBD products.

Problems with attention and focus, impulsivity, and constant motion are possible symptoms of ADHD.

In the 1980s, there was no official definition of what is now known as myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). But since then, more than 9,000 studies have advanced the understanding of this condition and its effects on people.

Your core muscles are your body’s foundation, and the plank pose is a great exercise to do to help build core strength—it’s challenging but not complicated. Here’s everything you need to know to plank correctly.

Palliative care improves comfort and quality of life for people with serious illness and their families, yet many people who could benefit from these services are not taking advantage of them

People who get frequent headaches and need to take medication at least 15 days a month may be at risk for medication overuse headaches, or “rebound headaches.” Treatment depends on the medication being taken.

Most people know that too much salt is bad for them and they should try to cut back, but many don’t realize it’s also possible to consume too little salt. It’s not a common problem, but it does happen and it can be harmful.

If you’re a parent, part of your role is to prepare your children for adult life by teaching and otherwise encouraging independence. But how does one start to do this?

This year’s flu season may be severe. Almost everyone should get vaccinated, but which vaccine might be best for you? And how else can you avoid the flu?

When reading to a young child, does it matter whether the book is a physical book or in some electronic form? One small study did detect a difference.

People who identify as bisexual represent a substantial part of the population, yet research focusing on their health lags. Which health problems are more likely to occur in people who are bisexual and what might help to counter them?

If you think your child may have a disability or problem with development, it’s important to seek help as soon as possible. Talk to your doctor, and seek an evaluation, if needed.

Millions of Americans report having an anxiety disorder. Evidence shows engaging in any sort of physical activity is one of the best ways to ease symptoms of anxiety. Regular activity is best, but even a single bout can help.

Trauma from experiencing a natural disaster can have long-term effects on the mental and physical health of children. Supportive parents, teachers, and other adults can help children build resilience.