Insomnia has been associated with a higher risk of having a heart attack or stroke. Disrupted circadian rhythms — our body ...

Researchers found that adults who took melatonin for more than a year had a higher risk of heart failure, but not because of ...

NEWARK, Del. (WPVI) -- A rising number of Americans have heart failure, making well over a million hospital visits a year. With a tiny implantable device, many patients can stay out of the hospital ...

Share on Pinterest A calcium ‘leak’ in brain cells may be part of the mechanism involved in heart failure-related cognitive decline. Image credit: shunli zhao/Getty Images. More than 64 million people ...