The 30-Second Test That Could Save Your Heart 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. The 30-Second Heart Check isn’t a medical test in itself, but it https://share.evernote.com/note/4768a240-fc70-380c-4d35-0ea36c97e5b0