There is a thriving middle-class black market for melatonin, which can help with everything from jet lag to ADHD ...

Melatonin is wildly popular—and wildly misunderstood. Here’s why scientists say taking this supplement doesn’t necessarily ...

An influx of people are reaching for melatonin to solve their sleep troubles. Higher doses, anything over 5 mg, raise concern ...

Though it’s rare, a severe vitamin D deficiency can lead to a disease called rickets, also known as osteomalacia. Typically, ...

Sleep is essential for our survival—just like food and water. Yet, almost two out of three people in the US don’t get enough sleep. One-third sleep six hours or less, double the rate from ...

Explainer - The government has changed regulations on several medications. Here's what you need to know about melatonin, ADHD ...

An FDA study of 110 melatonin supplements marketed for children found doses ranged from 0 to 667 percent of the amount on the label.

Various studies state that while fluoride from environmental sources can build up in the pineal gland, the theory that fluoride is related to dysregulated melatonin production remains debated and ...

The pineal gland receives information about the light-dark cycle that is in your environment and then either produces melatonin or not.

The pineal gland holds the largest stores of serotonin in the brain. Melatonin is synthesized from serotonin. Melatonin is central to the cycles of sleep and wakefulness, puberty, and the aging ...