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Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.