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Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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The average office desk has 400 times more bacteria on it than a toilet.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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Some drug labels show the USP symbol; others do not. Some drug labels show the USP symbol; others do not.
The most common drug used to facilitate date rape is alcohol, not GHB. The most common drug used to facilitate date rape is alcohol, not GHB.
Summary of Drug Action: Common Routes of Administration Summary of Drug Action: Common Routes of Administration
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Video: Central Nervous System Animation

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