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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.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
The average office desk has 400 times more bacteria on it than a toilet.