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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
Did you know?
The human body produces and destroys 15 million blood cells every second.