Bigger wine glasses make us drink too much, says researcher

Today’s glasses, 450ml compared with 65ml 300 years ago, encourage consumption, Cambridge scientist tells Hay festival

Fifteen years in the world of food

Observer Food Monthly, our award-winning magazine, is celebrating its 15th anniversary. We look back on the people, issues and moments that defined an era in which food became central to British culture

Do you know what too fat looks like?

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

How to keep your brain healthy

Could sudoku, drugs and a Mediterranean diet help keep our brains fit? What can the latest neuroscience research tell us?

Halving meat and dairy consumption could slash farming emissions

Adopting a ‘demitarian’ diet would lead to a 25-40% reduction in nitrogen emissions from agriculture in Europe, report shows