I'm no old timer yet, but I'm definitely past the point where'd I'd consider myself a spring chicken. This year is really the first year where I've noticed any grey hairs, and is also the first year where I'm starting to recognize the odd pain. One in particular, a sharp pain in the heel on my left foot, tends to cause me some grief. Years ago I jumped off a big wall and landed pretty hard on my feet. I never got it looked at, but I'm fairly certain I cracked my heel bone, since I basically had to limp for around four weeks. Unfortunately, I now wake up with a sharp pain in the same area, one ...