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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The average office desk has 400 times more bacteria on it than a toilet.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.