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On average, the stomach produces 2 L of hydrochloric acid per day.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.