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Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Thyroid conditions may make getting pregnant impossible.