As people attempt to fight the rising tide of flab they turn to the dieting industry. In this new 14-part series clinically overweight people are divided into four groups, each following a different diet for six months. Tonight presenter Eamonn Holmes visits some of the dieters.
Producers Simon Draper , Hamo Forsythe, Claire Hughes and Alison Martin
Series producer Gaby Koppel www.bbc.co.uk/diettrials Weigh to go and RT Shop book offer: page 34