The Simple 30-Second Check That Could Protect Your Heart Health Heart Disease can strike silently, but a short self-check can alert you early. In simple terms, it’s a quick way to see how your heart rate reacts to mild effort. This 30-Second Heart Test isn’t a diagnosis, though it can https://www.behance.net/gallery/237765293/The-30-Second-Test-That-Could-Save-Your-Heart