Harvard Health Blog

Join the discussion with experts from Harvard Health Publishing and others like you on a variety of health topics, medical news and views.

Cleaner living: Plant-friendly is planet-friendly

Peter Grinspoon, MD

Contributing Editor

Food production has an enormous impact on the global ecosystem and contributes to climate change. Making the choice to replace meat with plant-based foods, even in one or two meals a week, is better for you and for the environment.

Cancer treatment: Is a clinical trial right for you?

Some people undergoing cancer treatment may be eligible to participate in a clinical trial of a new drug or therapy. These trials help determine whether a new approach is more effective than standard treatment.

A practical guide to the Mediterranean diet

Making small, gradual changes to your eating habits and patterns is an easy way to incorporate the Mediterranean diet approach into your life.

Over-the-counter cold and flu medicines can affect your heart

Some common over-the-counter medications typically taken for colds and the flu may increase the risk of a cardiovascular event. This increased risk is more likely to occur in people with existing heart disease, and in people who take the medications for an extended period of time.

How to prevent poisonings in children — and what to do if they happen

Claire McCarthy, MD

Faculty Editor, Harvard Health Publishing

Safety precautions can prevent a child from accidentally ingesting or being exposed to poisonous or harmful items in your home, but knowing what to do if something happens can save a life.

How long does a joint replacement last?

Robert H. Shmerling, MD

Faculty Editor, Harvard Health Publishing

A person considering a knee or hip replacement needs to weigh how long the new joint will last as part of the decision-making process. Analyses of hundreds of thousands of hip and knee replacements show encouraging results for those facing this decision.

Something else to avoid in pregnancy: Phthalates

Claire McCarthy, MD

Faculty Editor, Harvard Health Publishing

Chemicals called phthalates are in all kinds of products we use every day, making them nearly inescapable. But research has found that children whose mothers were exposed to phthalates during pregnancy were more likely to have problems with motor skills or language development, so pregnant women should try to avoid them.

Aspirin for primary prevention of cardiovascular disease, part 2

The results of another clinical trial add to the evidence that healthy people without a history of cardiovascular disease should not take a daily aspirin for the prevention of a heart attack or stroke.

Banishing dry winter skin

Using a moisturizer is good for your skin year-round, but a dermatologist explains that during the cold and dry months there’s more you can do to prevent or relieve dry skin.

Can exercise extend your life?

Better health and more time: a long-term study of people who took a treadmill test suggests better fitness lengthens lives at every age.