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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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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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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.