Synopsis
Experts put overweight volunteers on diets designed to tackle the specific reasons why they eat too much. It is time to see if personalised dieting will work in everyday life.
Similar broadcast resources

Being a Carer | Y Byd ar Bedwar
A look at the pressure that being a carer can have on a child's wellbeing.

A Different Brain | Louis Theroux
Louis takes a look at the issues that some of the estimated one million people in the UK living with the long-term effects of a brain injury have to deal with.