The American Heart Association (AHA) reports that by not exercising, people put themselves at danger of developing heart disease. Coronary artery disease results from the buildup of fatty deposits, calcium, cholesterol and other substance in the arteries, which carry blood supplies to the heart. In addition to preventing heart disease, regular exercise also can help patients recover from heart attacks and strokes and prevent further damage to the cardiovascular system. Doctors at the Mayo Clinic report that heart disease is the leading cause of death among men and women, in part because of sedentary lifestyles. Combined with other lifestyle changes, such as eating healthy and quitting smoking, exercise can drastically improve the odds of avoiding serious heart conditions.

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No, just the opposite. Lack of exercise is the single worst risk factor for heart disease for both men and women. Being physically active halves your risk of heart disease. This is because exercise: lowers blood pressure, which is a major risk factor for heart disease; increases good HDL cholesterol that transports fat away from the arteries and back to the liver for processing; may reduce levels of bad LDL cholesterol that can form fatty deposits in the arteries and contribute to heart disease; improves circulation by preventing blood clots that can lead to heart attack and stroke; increases fat loss; helps weight-loss; builds muscle mass and also reduces stress by releasing feel-good hormones called endorphins. So go ahead and get exercising !

According to the Centers for Disease Control and Prevention, heart disease is the leading killer of adults in the globe. The primary risk factors for heart disease are cigarette smoking, high blood pressure, diabetes, high cholesterol and a sedentary lifestyle. Choosing not to exercise can increase your risk for heart disease and hurt many other aspects of your health.
Inactivity and the Cardiovascular System

Exercise is good for the heart and circulation. People who regularly exercise develop a stronger, more efficient heart. Runners, walkers, swimmers and others who engage in daily activity have hearts that circulate more blood per beat to the body. Choosing not to exercise means that the heart must work harder to circulate blood to the body. Sedentary living is also associated with poor diet and cholesterol levels in the blood.