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Did you know?
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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Everyone has one nostril that is larger than the other.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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The average adult has about 21 square feet of skin.