Large pre-teens less able to solve problems compared to their lighter peers walesonline.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from walesonline.co.uk Daily Mail and Mail on Sunday newspapers.
Obesity is a growing epidemic in children and adults. A large national study published in the International Journal of Obesity now finds that preteens carrying excess weight have notable differences in cognitive performance, brain structures, and brain circuitry when compared to preteens with normal body-mass index (BMI).