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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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