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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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

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