A Quick 30-Second Test That Might Save Your Life Heart disease can strike silently, 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 a diagnosis, though https://www.tumblr.com/wellnesswisehealthcare/799126888984543232/the-30-second-test-that-could-save-your-heart?source=share