The Simple 30-Second Check That Could Protect Your Heart Health Heart issues often appear without clear warning, 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. The 30-Second Heart Check isn’t https://share.evernote.com/note/4768a240-fc70-380c-4d35-0ea36c97e5b0