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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.