Are Running, Walking, or Climbing Stairs Bad for Your Knees?

Are Running, Walking, or Climbing Stairs Bad for Your Knees?

Bad knees are something that happens to many of us (50% at least, at some point in our lives).  I don’t need to tell you that it can be a game-changer, stopping many of us from getting around the way we would like to.  Thank goodness for the fact that…