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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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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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