Scientists buzz Simon Cowell for promoting pseudoscience

Sense About Science publishes its annual review of celebrities' misleading claims, including Cowell's intravenous vitamins

Obesity, battered sausage and me

For years, Hopi Sen consumed huge quantities of food – and got fat. Then one day, he stopped. So what changed?

Eat yourself healthy

Can the dietitian from Channel 4's The Food Hospital help our writer to control her painful migraines?

Resveratrol pills may mimic effects of exercise and low-calorie diet

A small study suggests the grape extract resveratrol has similar metabolic effects to exercise and calorie restriction

Sugar-free drinks and chewing gum may cause damage to teeth

British Dental Journal paper finds products contain acidic additives that can lead to the erosion of tooth enamel

Andrew Lansley’s calorie-counting won’t resolve the obesity problem

Bernadine Lawrence: If the government wants results it should educate the young on nutrition and address the link between poverty and fast food

Resisting the supermarket tantrum – and the flirty cartoon cow

Sarah Ditum: Food companies and commercial broadcasters are never going to help you in your quest to stop your child's demands for junk

Fast-food study finds calories count for little for most customers

Labelling on food deters only a minority of people from the more fattening choices on the menu, research finds

Comment is free readers on… giving up an unhealthy habit

The people's panel: Five readers share their thoughts on who or what pushed them to change their addictive behaviour

The myth that we need eight glasses of water a day

Doctors have always known that there is no good evidence for how much we need to drink