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Did you know?
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

