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Today's Medical Fact

Nails of toes or fingers take about six months to grow from base to tip.

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Medical Dictionary


Melatonin
Melatonin is a hormone produced primarily in the pineal gland (in the absence of light) from the neurotransmitter seratonin. It is a powerful anti-oxidant that benefits the immune system and is associated with the regulation of sleep, mood, puberty, and the ovarian cycle.
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