Yazan: admin | 04 January 2010 | No Comments
Categories: Causes
Melatonin is a metabolic hormone made in the pineal gland, retina, and intestines. Melatonin is released into the blood stream by the pineal gland (which resides in the brain) to set your bodys biological clock and initiate sleep. Darkness stimulates the pineal gland and causes it to produce more melatonin. Day [...]
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