СДЕЛАЙТЕ СВОИ УРОКИ ЕЩЁ ЭФФЕКТИВНЕЕ, А ЖИЗНЬ СВОБОДНЕЕ
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The Causes of Heart Diseas
Heart disease affects so many people that it has become a serious concern for medical science. The heart is acomplex organ that is vulnerable to hereditary as well as environmental risks. Scientists identified a number of riskfactors associated with heart disease. They grouped these risk factors into major and minor causes. Major causes are those that have been proven to increase your risk of heart disease. One of the major risk factors ishigh blood pressure. High blood pressure increases your risk of heart disease, heart attack, and stroke because theheart to work too hard and can damage arteries. Another major cause is high blood cholesterol levels. It is sodangerous because fatty deposits build up in blood vessels and make at greater risk of having a heart attack. Extracholesterol enters the human body when they eat foods that come from animals (meats, eggs, and dairy products). The leading cause in this group is diabetes. The American Heart Association estimates that 65% of patients withdiabetes die of some form of heart disease. Minor causes are those that some doctor think can lead to an increased risk of heart disease, but their exact rolehas not been defined. The leader in this group is obesity. Extra weight and poor diet increases chances ofdeveloping other risk factors for heart disease, especially high blood pressure, high blood cholesterol, and diabetes.Next cause is having a sedentary lifestyle. Cubicle and home life on the couch is not conducive to health. Exerciseburns calories, helps to control cholesterol levels and diabetes, and may lower blood pressure. Exercise alsostrengthens the heart muscle and makes the arteries more flexible. And third cause is having a Type A personality. It means the person becoming easily stressed, being overly competitive, aggressive, and intense. Stressfulsituations raise heart rate and blood pressure.
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