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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.