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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 more sensory neurons in the tongue than in any other part of the body.

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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.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the
A simple motif, the β-α-β loop A simple motif, the β-α-β loop
Effective listening skills demonstrate empathy to the patient and break down barriers to communicati Effective listening skills demonstrate empathy to the patient and break down barriers to communicati
Adding propane to the air inlet of an engine operating in closed loop with a working oxygen sensor ... Adding propane to the air inlet of an engine operating in closed loop with a working oxygen sensor ...
A bank statement shows a balance of $2,970.31 The check register of the account owner shows an ... A bank statement shows a balance of $2,970.31 The check register of the account owner shows an ...
(a) Summary of major pathways of organic metabolism. Cells continually synthesize and break down car (a) Summary of major pathways of organic metabolism. Cells continually synthesize and break down car
Video: Peptide Bond Formation Animation

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