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Author Question: A worker was observed for four cycles of a repetitive operation. The observed times for work ... (Read 181 times) |
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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
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There are 20 feet of blood vessels in each square inch of human skin.
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Thyroid conditions may make getting pregnant impossible.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.