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There are 60,000 miles of blood vessels in every adult human.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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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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