Slimmers Beware. Did you eat too much over Christmas? In this special edition of the consumer magazine programme, John Stapleton looks at some of the hidden pitfalls of dieting and discovers that rapid weight loss can lead to gallstones, while
"yo-yo dieting" might increase the risk of heart disease.
Desperate dieters and a failed former WeightWatcher of the Year express their disappointment with the slimming industry. Producer Nicola Moody Editor Sarah Caplin