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.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
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Medication errors are three times higher among children and infants than with adults.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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There are approximately 3 million unintended pregnancies in the United States each year.
Four types of cellular responses to positional information in animals.
Types of headaches
Basic tissue types and structures of the alimentary canal.