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Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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There are more bacteria in your mouth than there are people in the world.

Synthesis of the active hormone formed from vitamin D or its precursor in skin. Synthesis of the active hormone formed from vitamin D or its precursor in skin.
An ecological puzzle: the cicada, Diceroprocta apache, is active when air temperatures would appear An ecological puzzle: the cicada, Diceroprocta apache, is active when air temperatures would appear
GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower
The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v The Sleep/Waking Flip-Flop According to Saper et al. (2001), the major sleep-promoting region (the v
A person with a defective "P" gene might only have it effect the EYES A person with a defective "P" gene might only have it effect the EYES
Active range of motion (AROM) tests for the shoulder. A, Apley Scratch Test. B and C, Internal ... Active range of motion (AROM) tests for the shoulder. A, Apley Scratch Test. B and C, Internal ...
Video: Dissociative Disorders (Part 3)

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