Jack LaLanne saves one woman's life.Before and after photos.
In this short clip , one of Jack's students takes a leap of faith through proper diet and exercise and saves her own life.This dramatic before and after story is both compelling and bone chilling.This is just one of millions of viewers who made the journey and took the challenge.Just look at the before and after episodes on the Today Show.Jack was helping his students and viewers make those same change decades before.