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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.
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
The average office desk has 400 times more bacteria on it than a toilet.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.