The 30-Second Test That Could Save Your Heart Heart Disease can strike silently, but this easy 30-second self-assessment can give you a lifesaving warning. In simple terms, it lets you observe whether your heart rate and recovery look normal after activity. This 30-Second Heart Test isn’t a diagnosis, but it https://www.diigo.com/item/note/b1gr9/gsc9?k=2d36111f46e8e9c6b1de7b312c26c0aa