Former NASA Consultant, Dr. Sam Walters, has put out an urgent public heart health announcement. Most people don't realize that pain in their upper back is a serious heart attack warning sign. It can feel like a knife being twisted between your shoulder blades. But that's far from the sneakiest warning sign of a heart attack. It's far more deceptive and not knowing it could be fatal. ==> Sneakiest Heart Attack Warning EVER? This advertisement is sent on behalf of: PhysioTru 218 E. Bearss Ave., Ste. 203, Tampa, FL 33613 If you would like to unsubscribe from receiving offers from PhysioTru, please click here