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Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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 Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.