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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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.
Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.
![Sunlight on Mars is dimmer than on Earth. This photo of a Martian sunset was imaged by Mars Pathfind](https://biology-forums.com/gallery/47/medium_12359_13_01_13_5_57_10.jpeg)
![Polio eradication campaign in Georgia in the 1950s. In the 1950s, 20,000 cases of polio occurred ...](https://biology-forums.com/gallery/30/medium_548020_08_06_17_6_58_34_306101355.jpeg)