New series 1/9. Brits spend £6.5 billion on booze and snacks every year- so if we're a little overweight, it's hardly
- surprising. In Birmingham, 200 couch potatoes have volunteered to have their new health regimes monitored over two years by a fitness expert, a nutritionist and a psychologist. Will they rise to the challenge, or keel over at the first sign of a skipping rope? Matt Allwright , meanwhile, finds out how super-size portions have turned America into an obesity time bomb. Fat Nation on Three follows on BBC3. Producers Mary Harper and Jeff Wilkinson ; Series producer Virginia Hill
www.bbc.co.uk/bigchallenge BBCi: digital viewers can access extra features via their handset's red button Street life: page 26