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Did you know?
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.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.