The Simple 30-Second Check That Could Protect Your Heart Health Heart Issues often appear without clear warning, but a simple test may reveal warning signs before trouble starts. 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 https://www.tumblr.com/dramitpatil/799125220035313664/the-30-second-test-that-could-save-your-heart?source=share