Some patients with schizophrenia or bipolar disorder may have a treatable immune disorder, a study suggests.

Online ads for food and soft drinks high in fat, salt or sugar aimed at children are to be limited.

One in four women are transferred from midwife-led units to consultants after facing complications when giving birth, a BBC investigation finds.

Heart disease and dementia deaths contribute to the first drop in US life expectancy for 20 years.

People aged between 50 and 70 should keep working to stay healthier for longer, England's chief medical officer says.