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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Everyone has one nostril that is larger than the other.
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?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).