Social contact in daycare could ward off risk of leukaemia

In an analysis of 14 studies looking at an association between social contact and childhood leukaemia, researchers from the University of California found 12 studies that said social interaction with other children has a protective effect. No research concluded that social contact increased the risk of childhood leukaemia. The studies looked at a combined total of 6,108 children with leukaemia and 13,704 without the disease. Parents were asked about their children's daycare and playgroup attendance, as well as other forms of social interaction. Dr Patricia Buffler, who...