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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Illicit drug use costs the United States approximately $181 billion every year.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.