The 30-Second Test That Could Save Your Heart Cardiac Problems sometimes progress quietly, 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, though https://dramitpatil24.blogspot.com/2025/11/the-30-second-test-that-could-save-your.html