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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%