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There are more sensory neurons in the tongue than in any other part of the body.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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Excessive alcohol use costs the country approximately $235 billion every year.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Illicit drug use costs the United States approximately $181 billion every year.

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