Harvard Health Publishing

Harvard Health Publishing is the publishing branch of Harvard Medical School, part of Harvard University. It is led by Dr. Gregory Curfman, who serves as the Editor in Chief. Our mission is to provide people worldwide with up-to-date health information that is reliable, credible, and easy to understand. We leverage the knowledge of over 10,000 faculty physicians from Harvard Medical School to achieve this goal.

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What happens during sleep — and how to improve it - Harvard Health

1 week ago | health.harvard.edu | Lindsay Warner

Sleep impacts nearly every part of your health, from brain function to immune strength. Learn what happens in each phase of sleep, how to manage common disruptions, and simple ways to improve sleep hygiene. June 1, 2025 By Lindsay Warner, Content Licensing Editor, Harvard Health Publishing Reviewed by Howard E.
Could biofeedback help your migraines?

1 week ago | health.harvard.edu | Lisa Catanese

Over the past decade, medications known as CGRP inhibitors have helped prevent and treat migraine headaches in many people. But what happens when these drugs don’t work? Or when someone has to stop taking them due to side effects? A nondrug therapy called biofeedback could play a role. This treatment has been shown to help prevent the debilitating headache pain of a migraine. And some people have found that it also can decrease the amount of migraine medication they need to take.
Cold plunges: Healthy or harmful for your heart?

2 weeks ago | health.harvard.edu | Julie Corliss

The evidence for a benefit is pretty shallow — and a frigid dip could be risky for someone with underlying heart problems. Share Print This Page If dunking neck-deep in cold water sounds like an invigorating thrill, you might be tempted to try this trend, especially since cold-plunge pools are now found in gyms, wellness resorts, and hotels throughout the United States. Or maybe a natural environment sounds more appealing (see "Cold-water dips in the great outdoors").
A simpler FODMAP diet for irritable bowel syndrome

2 weeks ago | health.harvard.edu | Heidi Godman

News briefs Share Print This Page June 1, 2025 By Heidi Godman, Executive Editor, Harvard Health Letter Reviewed by Anthony L. Komaroff, MD, Editor in Chief, Harvard Health Letter; Editorial Advisory Board Member, Harvard Health Publishing To continue reading this article, you must log in. Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
A faster, safer treatment for a common heart rhythm disorder?

2 weeks ago | health.harvard.edu | Julie Corliss

Catheter ablation is now a first‑line treatment for people recently diagnosed with atrial fibrillation. Share Print This Page Until the late 20th century, medications were the only option to tame the rapid, chaotic heart rhythm known as atrial fibrillation (afib). Catheter ablation — a procedure that destroys faulty electrical pathways in the heart — was described as a treatment for afib in 1998 (see illustration).
Plant-based oils are better than butter for your heart

2 weeks ago | health.harvard.edu | Julie Corliss

Research we're watching Researchers estimated that trading about a tablespoon of butter per day for about two teaspoons of olive, soybean, or canola oil was tied to a 17% lower risk of premature death. Each tablespoon of plant oil per day was linked to a 6% reduced risk of death from heart disease. To continue reading this article, you must log in. Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
Common gynecological disorders linked to higher risks for heart and brain

2 weeks ago | health.harvard.edu | Maureen Salamon

Research we're watching June 1, 2025 By Maureen Salamon, Executive Editor, Harvard Women's Health Watch Reviewed by Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch; Editorial Advisory Board Member, Harvard Health Publishing; Contributor Scientists examined 28 earlier studies, involving a total of more than 3.2 million women.
Nutritional yeast: Does this savory, vegan seasoning pack a nutritional punch?

3 weeks ago | health.harvard.edu | Rachael Moeller Gorman

Health-conscious folks have long sprinkled savory nutritional yeast flakes — a vegan version of parmesan cheese — on popcorn, pasta, salad, and more for an umami-rich punch. But consumers should be aware that this condiment, affectionately known as "nooch," sometimes functions like a supplement. What is nutritional yeast? Nutritional yeast is an inactivated strain of the fungus Saccharomyces cerevisiae.
Salmonella is sneaky: Watch out

1 month ago | health.harvard.edu | Maureen Salamon

Here's what to know and do to evade bacteria that sickens millions every year. May 7, 2025 By Maureen Salamon, Executive Editor, Harvard Women's Health Watch Reviewed by Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing Pop quiz: what is Salmonella? If you've ever had a run-in with this bacteria, you know it can cause a food-borne illness called salmonellosis, a form of food poisoning.
A faster, more accurate way to diagnose heart disease?

1 month ago | health.harvard.edu | Julie Corliss

Coronary CT angiography is the fastest-growing imaging test used in cardiology. Who might benefit from this test? If you experience a short-lived squeezing sensation or discomfort in your chest when you exercise or feel stress, one possible cause is insufficient blood flow to your heart. Known as stable angina, this condition indicates you may be at risk for a heart attack. To diagnose (or rule out) potential heart problems, doctors used to start with a stress test.