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Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.