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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
Did you know?
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.