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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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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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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.