It's been 17 years since Rebecca Adlington catapulted to stardom at the Beijing Olympics. At just 19, the Mansfield-born swimmer clinched gold in both the 400-metre and 800-metre freestyles, smashing ...

Last month, Rebecca Adlington - the BBC Sports presenter and two-time Olympic gold medallist - revealed she had been been diagnosed with coeliac disease, but what exactly is it? Coeliac disease is an ...