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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.