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Author Question: A small hair styling salon has several operators. While customers do not have appointments, each is ... (Read 69 times) |
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to