According to a new study published in the Journal of the American College of Cardiology a healthy lifestyle is exactly what you need for preventing heart attack. A healthy lifestyle involving maintaining healthy weight and eating a balanced diet regular exercising not smoking and moderating alcohol consumption could prevent four out of five coronary events in men says the new study. For the study scientists surveyed a population of 20721 healthy Swedish men between the age 45 and 79 years. Their lifestyle was followed up for a period of 11 years. For assessing their lifestyle choices a questionnaire was designed