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Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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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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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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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.