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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
On average, the stomach produces 2 L of hydrochloric acid per day.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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