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heart disease
Title: heart disease
Category: Science & Technology
Details: Words: 269 | Pages: 1.1 (approximately 235 words/page)
heart disease
Development of fatty plaque is due partly to excessive intake of cholesterol and animal fats in the diet (see Nutrition, Human). A sedentary life-style is thought to promote atherosclerosis, and evidence suggests that physical exercise may help prevent heart disease (see Physical Fitness). A striving, perfectionist temperament referred to as Type A personality has also been associated with increased risk of heart attacks (see Stress-Related Disorders), as has cigarette smoking. The occurrence of the heart …showed first 75 words of 269 total…
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…showed last 75 words of 269 total…bypass. In this procedure, which became established in the 1970s, a section of vein from the leg is sewn into the blocked coronary artery to form a bridge around the atherosclerotic region. In most recipients the operation relieves the pain of angina and in many persons it prevents a fatal heart attack. By 1986 more than 225,000 patients were undergoing these procedures each year in the U.S.
"Heart," Microsoft® Encarta® Encyclopedia 99. © 1993-1998 Microsoft Corporation. All rights reserved.
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