Rates of serious injury among child pedestrians in poor areas of England are four times as high as those among children in affluent areas, finds research published ahead of print in the Archives of Disease in Childhood.

Tai Chi exercises can improve the control of type 2 diabetes, suggests a small study, published ahead of print in the British Journal of Sports Medicine.

Fat kids are better off doing less intensive exercise if they are to shed the pounds effectively, suggests a study of pubescent boys, published ahead of print in the British Journal of Sports Medicine.