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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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There are more sensory neurons in the tongue than in any other part of the body.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.