Strange days. I am a very upbeat, positive kind of person. I always look on the bright side of most situations and people. However, lately my usually happy-go-lucky thoughts have turned to those of my own mortality. Stroke, heart attack, Cancer, disease and death are what I visualize on a huge roulette wheel and it's spinning. Whose number will be up next? It could be me. I could be next. There could be Cancer cells growing in me right now. A little clot may be waiting to stir loose and …