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Insufficient sleep linked to higher risk of atrial fibrillation

Insomnia is linked to an increased risk of atrial fibrillation (afib), a heart rhythm disorder, according to a 2026 study. Insufficient sleep may trigger physiological and hormonal changes that may leave people more susceptible to afib.

Types of heart failure: What do the different terms mean?

Heart failure (when the heart can’t pump or fill with blood effectively) stems from a range of conditions that weaken or stiffen the heart. Heart failure is described and classified by what part of the heart is affected and the severity of symptoms.

The most effective types of exercise to lower blood pressure

Three types of exercise (aerobic, a combination of aerobic and muscle-strengthening exercise, and high-intensity interval training) may be most effective for lowering blood pressure in adults with hypertension, according to a 2026 review article.

Can a pulmonary embolism be treated at home?

A blood clot in the lungs (pulmonary embolism) that is discovered by chance on an imaging test and causes no symptoms can be safely treated at home with anti-clotting drugs, according to guidelines published in 2026.

The best foods high in potassium — and why you need them

Most Americans fall short on their intake of potassium, a vital but overlooked nutrient. People can boost the level of potassium in their body by eating more plant foods, especially beans, potatoes, leafy greens, and fruit, and by cutting back on ultra-processed foods.

How to protect your health in a power outage

Staying at home during a power outage can be risky for your health. To be safe, take steps to maintain power for essential medical equipment, store medications properly, and prepare for other hazards.

Why might I feel faint after light exercise?

Momentary dizziness after a walk or rising from kneeling can signal blood pressure shifts, medications, heart disease, or low blood sugar. It merits a checkup.

Keeping coffee to mornings may better protect the heart

A 2025 study found that morning coffee drinkers faced lower odds of dying from cardiovascular disease-or any cause-over a 10-year period compared with people who drank coffee all day or people who didn't drink coffee at all.

Body roundness index may predict heart disease risk

The body roundness index-defined as height in relation to waist circumference-may be a good way to predict a person's risk of cardiovascular disease.

Treating high blood pressure may help lower risk of cognitive decline

People who aggressively lower their high blood pressure not only help their heart health, but also may protect their brains from cognitive decline in the process, according to a 2025 study.

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