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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
The horizontal fraction bar was introduced by the Arabs.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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