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Approximately 500,000 babies are born each year in the United States to teenage mothers.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
People about to have surgery must tell their health care providers about all supplements they take.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.