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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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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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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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