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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 average adult has about 21 square feet of skin.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.