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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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Thyroid conditions may make getting pregnant impossible.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.