(HealthDay News) -- Cardiomyopathy is the umbrella term for various conditions that cause the heart muscle to become enlarged, thicken or stiff.
Not every person with cardiomyopathy has noticeable symptoms, the U.S. National Heart, Lung, and Blood Institute says, so it's important to learn the major risk factors. Here's the agency's list:
Copyright © 2011 HealthDay. All rights reserved.