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The average office desk has 400 times more bacteria on it than a toilet.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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