Teenagers should be considering their dementia risk, academics have said after a new study suggests that having an unhealthy childhood could affect the brain in later life.A child’s body mass index ...

Lancet Commission of 50 experts from around the world concludes millions may be being 'overdiagnosed' as obese and overweight ...

Obesity is typically assessed by measuring someone's body mass index, but now researchers are calling for a more nuanced ...