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Heart Disease Archive

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Does everyone benefit from cutting saturated fat in their diet?

A review of 17 studies found that for people at high risk of heart disease, cutting down on saturated fats may have lowered their risk of major cardiac events over the next five years, but people at lower risk did not see similar benefits.

When and why you need drugs for atrial fibrillation

Many people with atrial fibrillation - a rapid, irregular heart rhythm - need medications to control symptoms and lower their risk of stroke. These include drugs that slow down the heart, help restore its rhythm, and prevent blood clots.

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.

New thinking on beta blocker use

Beta blockers have long been standard treatment for people after a heart attack. New evidence suggests they may not help those whose hearts still pump normally, though the drugs remain important for heart attack survivors with reduced ejection fraction.

What to know about heart palpitations

Heart palpitations are sensations of a pounding or racing heartbeat, often triggered by stress, stimulants, or hormonal changes. They're usually harmless but should be checked by a doctor. Palpitations may improve with lifestyle changes or treatment for underlying conditions.

To lose weight, especially harmful belly fat, combine diet and exercise

A 2025 study found that increased physical activity and adherence to a Mediterranean diet each promoted a healthy weight and less build-up of harmful (visceral) body fat. Combining exercise plus a high-quality diet had the greatest benefit.

Women gain heart protection with far less exercise than men

A 2025 study suggested that women are less likely to develop coronary artery disease even when engaging in less moderate-to-vigorous exercise than men.

Women face barriers to cardiac rehab despite proven benefits

A 2025 scientific statement from the American Heart Association indicated that women with cardiovascular disease are far less likely than men with the condition to take part in cardiac rehabilitation programs, despite the proven benefits.

Nighttime light exposure linked to heart disease

Higher exposure to light at night between 12:30 a.m. and 6 a.m. is linked to an increased risk of cardiovascular problems including coronary artery disease, stroke, atrial fibrillation, heart attack, and heart failure.

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