A new review in the Archives of Dermatological Research proposes that melatonin, through antioxidant, DNA-repair, and circadian mechanisms, may serve as a promising complementary strategy for ...

Melatonin is best known as the hormone that tells the body it is time to sleep, secreted by the pineal gland in darkness and ...

For the first time, large amounts of melatonin are being made by bacteria. In industrial sized fermentation vats, harmless strains of engineered E. coli bacteria are feeding on glucose and churning ...

Add Yahoo as a preferred source to see more of our stories on Google. Often referred to as the 'sleep' hormone, melatonin is central to your body's sleep-wake cycle. Levels rise gently throughout the ...