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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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The average office desk has 400 times more bacteria on it than a toilet.
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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 B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.