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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.