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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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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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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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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Antibody techniques. (b) An ELISA to test for the presence of herpes simplex virus (HSV Antibody techniques. (b) An ELISA to test for the presence of herpes simplex virus (HSV
hepatitis virus hepatitis virus
Complete the table by dragging the white labels to the gray targets, the blue la Complete the table by dragging the white labels to the gray targets, the blue la
A Herpesviridae virus, the herpes simplex virion. It has an icosahedral capsid with double-stranded ... A Herpesviridae virus, the herpes simplex virion. It has an icosahedral capsid with double-stranded ...
Smallpox Virus Smallpox Virus
Infected T Cell with Budding HIV Virus Infected T Cell with Budding HIV Virus
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