Stuart Jeffries: Health experts advise that giving up television one day out of every seven would be beneficial to our waistlines. But which day should you choose?
Luisa Dillner: In short, yes. The more time you spend sitting down, the greater the chances of dying from heart disease or cancer, having a stroke or becoming diabetic. Even doctors now advocate standing up during consultations
A study suggests that African American women in the US have a different picture of what unhealthy weight looks like than medical experts, prompting suggestions that pictures should be more widely used with health messages to counter the new normality of excess weight
A group of young scientists is warning that diets are sometimes not worth the paper they are printed on - and offering tips and a test to help people who want to lose weight avoid the traps baited by the weightloss industry
Jay Rayner: The killjoys can eat humble pie. Dairy and red meat fats aren't bad for you – and now there are hard figures to back up the case I've been making for years