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How about exercise for heart attack prevention?
Studies of the effects of exercise in preventing heart attacks have yielded conflicting results. This is likely due to the fact that people who exercise regularly generally have healthier lifestyles and that many risk factors for heart disease can be influenced by exercise. Therefore, the specific role of exercise itself in heart attack prevention is difficult to isolate. For example, regular exercise has direct effects on weight control, blood pressure, diabetes, blood cholesterol, and smoking.
What about smoking cessation for heart attack prevention?
Smoking cessation, by whatever means, has been clearly demonstrated to reduce future heart attacks and death in patients with known coronary artery disease or who have other risk factors for the development of coronary artery disease. While many methods, both chemical and behavioral, have been used to aid smoking cessation, the initial success rate is often low, and the relapse rate is high. Certain medications that affect neurotransmitters in the brain, which are similar to agents often used to treat depression [for example, bupropion (Wellbutrin, Wellbutrin SR, Wellbutrin XL, Zyban)], have recently been demonstrated to be helpful in many patients trying to stop smoking. While effective, these agents may produce significant side effects and should only be used under the close supervision of a doctor.