Skip to main content

Heart Health Archive

Articles

New thinking about plaque in arteries that feed the brain

Carotid artery stenosis, which happens when fatty plaque accumulates in neck arteries that supply the brain, leaves people vulnerable to a stroke. Intensive drug therapy may forestall the need for invasive procedures to treat this problem.

Gene-editing therapy lowers harmful blood fats in early study

A one-time infusion of a gene-editing therapy called CTX310 may safely lower cholesterol and triglyceride levels, according to a small preliminary trial. The first-in-human study, published in 2025, included 15 people with uncontrolled LDL cholesterol, triglycerides, or both.

Daily cup of coffee may prevent afib recurrence

People with atrial fibrillation (afib) who drank an average of one cup of caffeinated coffee daily had a lower risk of recurrent afib compared to those who avoided caffeine, according to a 2025 study.

What is long QT syndrome?

Long QT syndrome is a disorder of the heart's electrical system that can be either acquired (for example, due to a medication) or congenital. Although usually people have no symptoms, it can cause a fast, erratic heartbeat that may lead to shortness of breath, fainting, and sometimes death.

Stroke survivors may benefit from very low LDL levels

For stroke survivors, reaching a very low LDL (bad) cholesterol level may reduce their risk of future strokes and other cardiovascular problems, according to a 2025 study.

Inflammation and heart disease: A smoldering threat

Chronic, low-level inflammation is just as important as cholesterol in causing clogged heart arteries. Cardiologists are calling for more widespread testing for inflammation, which is easily measured with an inexpensive blood test.

The emotional aftermath of a heart attack

Up to half of all heart attack survivors experience some type of psychological distress, including sadness, worry, or irritability. This problem is known as post-myocardial infarction psychological distress. Cardiac rehabilitation is the best way to get treatment.

Should you take a magnesium supplement to lower your blood pressure?

Taking magnesium supplements has become popular in recent years, and some evidence suggests this practice may help lower blood pressure, especially for those with high blood pressure or low magnesium levels. But a healthy diet is a better way for people to ensure they're getting enough of this essential nutrient.

What's new in the latest CPR guidelines?

The 2025 cardiopulmonary resuscitation (CPR) guidelines from the American Heart Association provide recommendations for recognizing and responding to several different types of emergencies, including choking, a suspected opioid overdose, and cardiac arrest.

Free Healthbeat Signup

Get the latest in health news delivered to your inbox!

Sign Up
Harvard Health Publishing Logo

Thanks for visiting. Don't miss your FREE gift.

Don’t miss out on your 25% off promo code and BONUS GIFT worth $29.95.

Sign up to get tips for living a healthy lifestyle, with ways to lessen digestion problems…keep inflammation under control…learn simple exercises to improve your balance…understand your options for cataract treatment…all delivered to your email box FREE.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus get a FREE on-line course Inflammation and Diet: How food can lower disease risk. No purchase necessary.

Harvard Health Publishing Logo

Stay on top of latest health news from Harvard Medical School.

Plus get a FREE on-line course Inflammation and Diet: How food can lower disease risk. No purchase necessary.