Beware of the fatties!

Abby O'Reilly: The overweight are now being blamed for their thinner friends' weight gain – it's just another attack on the fat, dressed up as science

Weight of the nation

Neville Rigby: If we are to tackle obesity properly, the whole of society must become involved in the solution

Anyone for table tennis?

Harry Phibbs: Telling overweight people to diet is unlikely to work – what we need is more public ping pong