<prompt> Most common cause of Death in high income nations includesUnipolar depressionIschemic Heart DiseaseAlcoholCerebro Vascular Accident  <response>: B Ischemic Heart Disease ISCHEMIC HEART DISEASE is the cause of 25 to 30 of deaths in most industrilised countries. WHO has drawn attention to the fact that Coronary Heart Disease CHD is our modern epidemic, i.e., a disease that effects populations, not an unavoidable attribute of aging. CHD may manifest itself in many presentations -1. Angina pectoris of effort, 2. Myocardial infarction, 3. Irregularities of the Heart, 4. Cardiac failure and 5. Sudden Death. CHD is assuming serious dimension in developing countries. CHD is expected to be the single most important cause of death in India by the year 2015. 