5 ways smoking hurts your heart

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University of Michigan cardiologist Dr. G. Michael Deeb wants his patients to know something: Nicotine is toxic not only to the lungs but also to the heart. “When most patients think of the dangers of smoking, they think about the lungs,” says Dr. Deeb. “But cardiovascular disease is the number one killer in Michigan, and smoking is accelerating the problem.”

According to the American Heart Association, as many as 30 percent of all coronary heart disease deaths in the United States each year are attributable to cigarette smoking, and the more you smoke, the greater your risk. But even people who smoke fewer than five cigarettes a day can have early signs of cardiovascular disease. Continue reading