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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 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
The FDA recognizes 118 routes of administration.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.