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Did you know?
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Did you know?
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.