Rhiannon Lucy Cosslett: I'm all for Oliver's anti-obesity crusading, but his remarks about bad food and big TVs do reveal a lack of understanding of modern poverty
Research suggests that sugar and fat may be addictive – but the findings are controversial. Which foods do you find hardest to resist, and have you experienced withdrawal symptoms?
Ever since definitions of healthy bodyweight changed in the 1990s, the world has feared an obesity epidemic. But the food giants accused of making us fat are also profiting from the slimming industry.