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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 average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.