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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Illicit drug use costs the United States approximately $181 billion every year.
In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
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.