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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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