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

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 ...

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 ...

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 ...

When I travel—which I seem to be doing a lot of these days—I use melatonin to help with jetlag (0.5mg, ninety minutes before I want to go to sleep in my new destination, with 20 minutes of light ...

For proper and healthy metabolism of bone, appropriate stimuli are necessary. In outer space with microgravity, calcium is lost from bone and bone mass is reduced. Measurement of the bone density of ...