Month: January 2019



Melatonin is a hormone produced by the pineal gland. Its secretion is stimulated by darkness and inhibited by light. Secretion peaks between 2:00 a.m. and 4:00 a.m., and the degree of excretion diminishes with advancing age. Administering melatonin may regulate circadian rhythms and help regulate body temperature, cardiovascular function, and reproduction. It may also protect […]