Word: melatonin
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Israeli scientists have found that giving elderly insomniacs melatonin -- a hormone produced in the human pineal gland, which regulates sleep cycles -- dramatically improves their chances of getting to sleep. It also seems to work for people whose insomnia is caused by Alzheimer's disease and other brain disorders...
...months ago, he got hold of some mysterious pills called L- phenylalanine and melatonin, sold in health-food stores, that he claims have changed his life. "It's amazing. It's like tuning up your car, only it's your mind. You take the drugs, and you're firing on all eight cylinders again. Sometimes you're firing on nine...
...than two-thirds of those with the syndrome have a close relative with a mood disorder. Also baffling is the exact role that the absence or presence of light plays in seasonal mood shifts. Among the theories: a disturbance in the body's natural clock and abnormal production of melatonin, a hormone manufactured in the brain, and serotonin, a chemical that helps transmit nerve impulses...