Melatonin is the main secretory product of the pineal gland of all mammals, including humans. Functionally, melatonin has been linked to the strengthening of circadian rhythms, regula- 67 tion of seasonal reproduction and sleep processes. That melatonin functions as an antioxidant and affects cell proliferation and death was only uncovered in the last decade. The following article describes known facts … Preberite več >>