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

Bad sleep makes it harder to keep your waistline down

Single poor night can increase appetite and slow metabolism, say researchers

Q&A: saturated fat, your health and what the experts say

The key points in a debate between cardiology experts over the link between fat, cholesterol and coronary disease

I’m not going to answer the same question about being fat any more

If the people who asked me ‘caring’ questions about my size were really bothered, they would pour that energy into battling for better healthcare or food

More middle-aged men taking steroids to look younger

Experts warn about growing number of men in their 40s and 50s taking drugs to fight signs of ageing and boost sex drive

Will alcohol ruin my diet?

Booze contains plenty of calories, although studies have shown that moderate drinking is not necessarily associated with piling on the pounds

Few foods on track to meet salt reduction targets, survey reveals

Research by Consensus Action on Salt and Health finds bread rolls are the only foodstuff likely to meet 2017 targets

Does eating alone help you diet?

Sharing a meal with friends or family is one of life’s greatest pleasures – but it can wreck any diet plans. So what’s the best way to stick to your regime?

Nestlé to remove 10% of sugar from all snacks in UK and Ireland by 2018

Corporation vows to cut equivalent of 7,500 tonnes of sugar from confectionery without resorting to artificial sweeteners

Is it possible to be healthy and obese?

The causes of the global obesity crisis are not fully understood, but stress may have a part to play, new research suggests