Stress Management and Exercise Training in Cardiac Patients with Myocardial Ischemia
A placebo controlled, randomized study by J.A. Blumenthal et al, published in the Archives of Internal Medicine, 1997; 157: 2213-2223, (called Stress Management and Exercise Training in Cardiac Patients with Myocardial Ischemia: Effects on Prognosis and Evaluation of Mechanisms) showed that teaching stress reduction techniques to cardiac patients reduced their risk of having further heart problems by a whopping 75%.