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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.