Understanding Heart Disease in India Your heart pumps blood throughout your body, but it can get sick too. This is heart disease, often caused by clogged arteries. Risk factors include unhealthy lifestyle, diabetes, high blood pressure, and family history. Chest pain, shortness of breath, and fatigue can be signs, but see a doctor to be sure. Eat healthy, exercise, manage weight, quit smoking, reduce stress, and get regular checkups to prevent or manage heart disease.