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There are more sensory neurons in the tongue than in any other part of the body.
Green tea is able to stop the scent of garlic or onion from causing bad breath.
There are more nerve cells in one human brain than there are stars in the Milky Way.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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