"We have all heard the expression "life can change in an instant." How true this became for me. By my age of 45, I had certainly run the full gamut of colds, flus, aches, pains, and viruses. I was quick to attribute three weeks of a low-grade fever and chills to some aggressive cootie slimed on a shopping cart handle by a snot-nosed ragamuffin. In retrospect, I should have recognized that this one was different. The typical flu-like symptoms were accompanied by an odd and scary shortness of breath. A week later was my next scheduled medical appointment. During that visit, I asked the doctor...