After a heart attack, beta-blockers are often a lifelong medicine. Maybe they shouldn’t be

By Jacqueline Howard, CNN (CNN) — For decades, surviving a heart attack has come with a lifelong prescription: Stay on medications called beta-blockers to help protect your heart. But doctors are taking a closer look at whether long-term beta-blocker use is really necessary, especially beyond the first year of recovery. Beta-blockers are a class of