Until something goes wrong, we take our hearts for granted. Heart-Smart-Gurus, inspired by long research, point to that bright red Valentine in our chests, pumping tirelessly and endlessly on our behalf. But one day textbook cardiagram wiggles, veer off the chart and we are pronounced, however gently, cardiologically in-correct. We feel betrayed. We more or less, thought we were doing everything right so, whats gotten into our ticker, that loyal, lifeline friend? Time for one thing, heart ...