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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).