Dr. Cowan says there are three main reason people get "heart attacks", they are:  Suppression of the Parasympathetic Nervous System ; The collateral blood flow; and the biggest reason, build up of lactic acid in the heart cells...a sympathetic tone.

Dr. Cowan talks about EECP, a procedure one can do at special physicians' offices that increases the blood flow in the heart. 

What is a diffuse systemic disease that causes heart attacks..that is what Dr. Cowan's latest book is about just this