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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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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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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.

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The longest a person has survived after a heart transplant is 24 years.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Breakdown of pyruvate and the attachment of an acetyl group to CoA Breakdown of pyruvate and the attachment of an acetyl group to CoA
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The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
An example of an intake screen in an electronic health record. An example of an intake screen in an electronic health record.
The gas division of Power-U-Up plans to introduce a new gas delivery system based on the ... The gas division of Power-U-Up plans to introduce a new gas delivery system based on the ...
Three metabolic pathways that muscles use to obtain the ATP that fuels their contraction. Three metabolic pathways that muscles use to obtain the ATP that fuels their contraction.
Video: Hyperglycemia Animation

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