Fact checked by Nick Blackmer A new study found that melatonin users had higher rates of heart failure, hospitalizations, and ...

Researchers warn that melatonin may not be as harmless as widely believed, and advise medical guidance for prolonged use ...

The study isn't the kind that can prove cause-and-effect — and doctors stress that too little or interrupted sleep by itself ...

A study presented at the American Heart Association's scientific meetings has raised concerns about melatonin, one of Britain ...

Headlines this week have raised alarms about the popular sleep supplement. By Caroline Hopkins Legaspi Caroline Hopkins ...

But the study, which has not yet been peer reviewed, has drawn mixed reactions from sleep medicine experts and cardiologists, ...

Learn how scientists uncovered a surprising link between long-term melatonin use and heart failure in chronic insomnia ...

Melatonin, a naturally occurring hormone that regulates sleep, is an effective and safe treatment of chronic insomnia and insomnia caused by jet lag or shift work. Sustained-release preparations of ...

Jack has a degree in Medical Genetics from the University of Leicester.View full profile Jack has a degree in Medical Genetics from the University of Leicester. Melatonin, a widely-accessible drug ...