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The horizontal fraction bar was introduced by the Arabs.
The average office desk has 400 times more bacteria on it than a toilet.
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

