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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Everyone has one nostril that is larger than the other.
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Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.