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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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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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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.