Age spots may affect people of all skin types, but they're more common in people with light skin. Age spots: Are flat, oval areas of increased pigmentation; Are usually tan, brown or black; Occur on skin that has had the most sun exposure over the years, such as the backs of hands, tops of feet, face, shoulders and upper back
Fact Sheet: Melatonin. Melatonin is a hormone that helps you fall asleep. It has been taken for years as a supplement to assist with sleep; however, some doctors suggest that we are sabotaging our sleep by overusing it. Posted on 9/24/2012.
A different brain chemical, though, melatonin, can get from our gut to our brain. Melatonin is a hormone secreted at night by the pineal gland in the center of our brain to help regulate our circadian rhythm.Supplements of the stuff are used to prevent and reduce jet lag, and about 20 years ago MIT got the patent to use melatonin to help people sleep. different brain chemical, though, melatonin, can get from our gut to our brain. Melatonin is a hormone secreted at night by the pineal gland in the center of our brain to help regulate our circadian rhythm.