Everyone should listen to this moving and incredibly inspiring interview.
Julia catches up with Bill Moors, who she hasn't seen since they were at school, to hear his amazing story of shedding a whopping 15 stone in just one year and going on to compete in Strongman competitions.
Top sports performance coaches, Simon Tate and Craig Carrol answer your fitness questions. Subjects include gaining muscle, best ways to work abs, and running in reverse.