Hello doctors, now a days heart attacks due to artery blockages are becoming common in younger peoples. What is the main reason for this. Even non obese people with are subjected to the same and most occurs without any symptoms. So my question is what is the main reason for this. What can be done to avoid these problems. Since most of these occur without any symptoms or with those that is barely noticeable how can one identify that he has some problem. Pls respond.