Are your Running shoes doing you more harm than good?

I still have my first pair of Asics 2100’s. I also have the runners that I ran my first marathon. That was 4 years ago, but I’ve never been able to part with them. So if your anything like me you could also relate to the story of Nicole Hunt in Helena, Mont., who has held on to at least 30 pairs of old running shoes. “Each shoe represents a time in my life … a special memory that I have,” she says. “My...