I've been reading, It's all news to me, the engaging memoirs of the BBC broadcaster Jeremy Vine.

He recalls the former Labour Government's health secretary, Alan Johnson, being a guest on his Radio 2 programme to discuss a £780m drive to curb obesity. During the phone-in section, 'Doris' from Rotherham, says: 'If you give obese people £780m, they're just going to spend it on food.'