Poor pregnant women missing out on free vitamin D, health officials claim

Senior government health advisers say takeup of vitamin supplements under NHS Healthy Start scheme is low

Tax and regulate sugar like alcohol and tobacco, urge scientists

Sugar is as toxic to the liver as alcohol and is at the root of obesity and certain types of liver disease, claim US scientists

Rising food prices and recession resulting in lower income households cutting their recommended five-a-day portions

Can you survive four weeks eating only food advertised on TV? Tom Lamont takes on the challenge

Paralympic cycling champion Sarah Storey reveals why her team once had to live on chocolate for a week

400m hurdles world champion Dai Greene on his diet secrets – including peanut butter and Nutella on toast

The European heptathlon champion Jessica Ennis on her diet secrets – and why all athletes like Nando's

World champion 10km open water swimmer Keri-Anne Payne on her diet secrets. And pastry

Olympic medal-winning gymnast Louis Smith explains why it's all about eating the right food at the right time