The game improving a community’s health without them noticing

Beat the Street, designed by a GP, turns a town into a game where participants walk, cycle or run between sensors

Yo-yo weight gain driven by gut bacteria’s ‘memory’ of obesity, says study

Regaining weight after a diet could be linked to changes in microbiome caused by obesity, not simply a return to bad eating habits

Lack of sleep is making our children obese – but help is at hand

Increased calorie intake is just the start of it: insufficient sleep can also contribute to behavioural and learning problems. A few simple steps can make a difference

Childhood obesity linked to irregular sleep and skipping breakfast

Study challenges view that soaring childhood obesity rates are caused solely by eating too much

Tesco cuts sugar in own-brand drinks to avoid sugar tax

Government hails supermarket’s move to reformulate all of its own-label soft drinks, saying it shows pressure is working

More babies face health risks due to obese parents, experts warn

Doctors say increasing number of babies worldwide face serious problems, such as brain damage, strokes and heart disease

Obesity set to soar for boys, but not girls, from poorer homes

Most boys from deprived backgrounds in England will be overweight by 2020 while better-off boys grow slimmer, says study

What actually is the Mediterranean diet – and does it work?

Hard to define, but famously good for us, this way of eating is far from universally followed even in the countries it came from

Team GB’s cycling heroes call for ‘legacy of everyday cycling’

Laura Trott and Jason Kenny among Rio Olympians signing letter to Theresa May demanding real action on cycle transport

Why is it so hard to keep weight off?

You finally reach your desired weight, only to find it creeping back up. Now, researchers think they have discovered why