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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

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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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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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