The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
Young American Alligators basking
Juvenile American alligator swimming, showing the distinctive yellow striping found on juveniles
Assessing for McMurray's Sign
American Lives: Davy Crockett
This 80-year old man in a village in Hubei, China, has slowed down, but he has not retired. He is ...
A hydrometer is used to measure the American Petroleum Institute (API) specific gravity of diesel ...