How did Catherine Tyldesley lose five stone?

Every day we're bombarded with food advice in books, blogs, and of course TV shows.

It's estimated that nearly two thirds of people are on a diet most of the time.

For the Tonight programme, on ITV on Thursday evening, Coronation Street actress Catherine Tyldesley has been investigating the truth about fats and has revealed her own diet secrets which helped her to lose five stone in weight.