Sharecare radio host and ER physician, Dr. Darria Gillespie, answers on-demand listener questions about health and wellness. In honor of Heart Health Month, we have cardiologist, Dr. Richard Stein from the American Heart Association to answer YOUR heart health questions. Submit "Ask Dr. Darria" questions on Twitter to @SharecareNow with #SharecareRadio or email questions to askdrdarria@radiomd.com.