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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.