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'I knew something had to change when I couldn't bend down to tie my boots'

Laura Roche realised enough was enough and has now lost more than half her body weight - going from size 26 clothes to sizes ...

I did this walking workout twice a week when I couldn't lift weights — here’s what happened

Here is what happened when one personal trainer ditched the weights for walking workouts, and the benefits of adding two types of walking workouts to your routine.