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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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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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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio
Tracheostomy. A tracheotomy, or incision into the trachea, is performed to create an opening into th Tracheostomy. A tracheotomy, or incision into the trachea, is performed to create an opening into th
Physiological effects of the accumulation of lactose in the intestines of a lactose-intolerant indiv Physiological effects of the accumulation of lactose in the intestines of a lactose-intolerant indiv
Effects of a VWFA Lesion Effects of a VWFA Lesion
Which outcome corresponds to the combination of copper(II) and sulfide ions shown in the ... Which outcome corresponds to the combination of copper(II) and sulfide ions shown in the ...
Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila
Video: Wound Cultures

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