Medically reviewed by Allison Herries, RDN Key Takeaways Melatonin is a hormone that regulates your circadian rhythm and ...

Melatonin is purported to play a myriad of roles in humans. The most important of these is maintaining the sleep-wake cycle or the circadian rhythm. The roles of melatonin in humans can be summarized ...

Sleep remains an underrated tool in the weight-management arsenal. A regular routine of sufficient, high-quality sleep can make a real difference in the ability to maintain a healthy weight, and can ...

Melatonin, which helps regulate your circadian rhythm, plays an important role in preparing you for sleep. Now a new study, the first of its kind in the U.S., reports that the contents of melatonin ...

In a retrospective study of patients treated with vancomycin, acute kidney injury was 63% less likely to develop in those who took melatonin. Melatonin, a commonly used sleep aid, may significantly ...

One of my friends is taking melatonin and has urged me to do the same in order to protect against heart attacks and Alzheimer’s disease. Do you agree that it is worthwhile to take melatonin? My short ...