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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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The average office desk has 400 times more bacteria on it than a toilet.

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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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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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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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