'Mental risk' of Facebook teens

Heart test 'can not predict risk'
Heart test offered to many patients with chest pain are of little value in predicting future heart disease, say researchers.

School risk for diabetes children
The health of many children with type 1 diabetes is threatened due to poor care in primary schools, say campaigners.

Binge-drinkers 'risking dementia'
Experts warn that the UK's binge-drinking culture could result in a time-bomb with people at risk of dementia.

Light drinking 'no risk to baby'
Drinking a small amount of alcohol while pregnant does not increase a child's risk of behavioural problems, a study suggests.

Depression 'doubles' early birth
Women who are depressed during pregnancy have twice the risk of their babies coming early, according to US researchers.