Elsewhere in health news, 5-a-day received a blow this week with the revelation that kids refusing to eat their greens could be ill with a medical condition.

A student from the vitamin-free zone that is Portsmouth was this week diagnosed with lachanophobia a fear of anything healthier than pizza and Pot Noodles. "It's not just that I dislike the taste of sprouts or broccoli the sight of them fills me with dread," Vicki Larrieux told the Daily Telegraph.

Hang on - doesn't everyone get that at Christmas?