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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
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.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.