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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 first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Cyanide works by making the human body unable to use oxygen.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.