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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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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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The horizontal fraction bar was introduced by the Arabs.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Achondroplasia. The individual in this photograph has the reduced limb development that typifies thi Achondroplasia. The individual in this photograph has the reduced limb development that typifies thi
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Video: Gastrin (protein digestion)

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