Health

Getting to the 'heart' of sleep

Sleep is essential for a healthy heart. People who don't sleep enough are at higher risk for heart disease. One study that examined data from 3,000 adults over age 45 found that those who slept fewer than six hours per night ...

Cardiology

Viagra protects the heart beyond the bedroom

Viagra could be used as a safe treatment for heart disease, finds new research published today in the open access journal BMC Medicine. The study reveals that long-term daily treatment of Viagra can provide protection for ...

Medical research

Study ties aging to oxidative damage in mitochondria

As long as humans have been alive, they've been seeking ways to extend life just a little longer. So far no one has found the fountain of youth, but researchers have begun to understand how humans age, little by little, offering ...

Cardiology

Fitness impacts concentric remodeling, diastolic function

(HealthDay)—Low cardiorespiratory fitness is associated with increased concentricity and diastolic dysfunction, according to a study published in the April issue of the Journal of the American College of Cardiology: Heart ...

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