Can your health tracker do more than count your steps? Learn from Dr. Marvel about four ways health trackers can help you take a more active role in managing your heart health. #healthtracker #johnshopkinsmedicine #hearthealth https://www.hopkinsmedicine.org/health/expert-qa/what-your-health-tracker-can-say-about-your-heart-health Meet Dr. Francoise Marvel https://profiles.hopkinsmedicine.org/provider/francoise-a-marvel/2703750