Add Yahoo as a preferred source to see more of our stories on Google. But before you add it to cart, pediatrician Dr. Jessica Klein wants you to pump the brakes and get the facts. The big question ...

A major study links prolonged melatonin use to a significantly higher risk of heart failure, hospitalisation, and death ...

Melatonin is a hormone that the human body naturally produces to help maintain the sleep-wake cycle, or circadian rhythms, according to Mayo Clinic. Our bodies churn out melatonin in response to ...

Melatonin supplements, particularly the yummy, gummy kind, are a popular quick fix for children’s sleep issues. However, the Atlanta-based Centers for Disease Control and Prevention reports a 530% ...

More Americans , Are Using Melatonin to Sleep, But How Safe Is It?. More Americans , Are Using Melatonin to Sleep, But How Safe Is It?. CNN reports a rising amount of Americans struggling to sleep ...

NEW ORLEANS -- Among people with chronic insomnia, melatonin use was significantly associated with risks for heart failure events and mortality over 5 years, according to an observational analysis.

Move over, melatonin.

Melatonin is a hormone naturally produced in the brain that’s linked to your body’s sleep and wake cycle. The natural release of melatonin is stimulated by darkness and suppressed by daylight. It’s ...

Melatonin is a hormone naturally produced in the brain that is linked to your body’s sleep and wake cycle. The natural release of melatonin is stimulated by darkness and suppressed by daylight. It’s ...

Editor’s note: This story has been updated to clarify how dietary supplements are regulated by the Food and Drug Administration. Melatonin makers are being asked to implement new safety measures based ...

ABC News' Dr. Jennifer Ashton shares tips for parents to help keep kids safe. Over the past decade, the number of children overdosing on melatonin, a sleep aid, has increased by 530%, according to a ...