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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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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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Everyone has one nostril that is larger than the other.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.