Dr Buckley, from the department of clinical sciences and nutrition, says that switching from chairs to working standing up will reduce obesity and improve circulation.

BBC: Stand up at office to lose weight, says exercise scientist

The scientists suggest the findings could help to improve the diagnosis and treatment of obesity and other eating disorders.

BBC: Obesity

"As part of the government's targets for reducing obesity levels and its aim to improve children's health through better diets and lifestyles, school meal providers are expected to prepare nutritious meals from fresh ingredients, " she said.

BBC: School kitchens left out of new building regulations

He argues, not unreasonably, that making it easier for people to ride bicycles, as he does, would improve the quality of life, make everyone healthier and lessen Arkansas's obesity rate one of the highest in the country.

ECONOMIST: The Arkansas governor's race