Long-term melatonin use was associated with a higher risk of heart failure, according to a preliminary study announced this week by the American Heart Association.

As breast cancer survival rates continue to climb - 4.3 million women in the U.S. are currently living with a history of the ...

A new study reveals that melatonin supplements may increase heart failure risk by 90% in chronic insomnia patients, challenging assumptions about this popular sleep aid.

Tobacco remains the leading preventable cause of cancer death in the U.S., despite a dramatic decline in smoking, a new ...

The study has not yet been peer-reviewed, and experts suggest the long-term effects need further investigation.

Tobacco remains the leading preventable cause of cancer death in the U.S., despite a dramatic decline in smoking, a new ...

A new study suggests that men require nearly double the amount of exercise as women to lower heart disease risk an equivalent ...

Men may need nearly twice as much weekly exercise as women to achieve the same heart health benefits. A large study found ...

People exposed to high levels of artificial light have an increasingly higher risk of heart disease, Massachusetts General ...

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

Democrats want the subsidies extended for an estimated 24 million people in the U.S., and refuse to vote on the funding bill until they are, while Republicans insist that they vote first, before any ...