The 30-Second Test That Could Save Your Heart Heart Disease can strike silently, but a simple test may reveal warning signs before trouble starts. In simple terms, it lets you observe whether your heart rate and recovery look normal after activity. This home screening doesn’t replace a doctor’s exam, though https://www.tumblr.com/dramitpatil/799125220035313664/the-30-second-test-that-could-save-your-heart?source=share