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.
Low levels of melatonin at night can cause insomnia, and as a result, taking melatonin can help people to sleep better. However, melatonin has other roles besides helping us to get a good nightâs sleep. Melatonin is also a powerful antioxidant, and so it is important for the health of the immune system.elatonin is a hormone which is secreted by the pineal gland. Its primary function is to help regulate the bodyâs circadian rhythm. Iâve discussed the circadian rhythm in the past with the hormone cortisol, as this hormone should be at the highest levels when we first wake up, and at the lowest levels at night.