Several cardiologists have opined that the best way of preventing and treating coronary artery disease (CAD) is to follow a life style based on low-fat, high fibre diet, exercise and relaxation routine.They expressed this view at a seminar on New Frontiers in Management on Coronary Artery Disease at Brahma Kumaris' Academy of prajapita Brahma Kumaris Ishwariya Vishwa Vidyalaya at Mount Abu in Rajasthan.The four-day seminar concluded on Thursday.