A Quick 30-Second Test That Might Save Your Life Heart disease can strike silently, but this easy 30-second self-assessment can give you a lifesaving warning. In simple terms, it’s a quick way to see how your heart rate reacts to mild effort. This home screening doesn’t replace a doctor’s exam, https://www.tumblr.com/dramitpatil/799125220035313664/the-30-second-test-that-could-save-your-heart?source=share