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Asthma cases in Americans are about 75% higher today than they were in 1980.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.