Scientists have found a paws-ible reason for why many Labrador dogs end up overweight. Around a quarter of the popular breed face a “double whammy” of feeling hungry all the time and burning fewer calories due to a genetic mutation, new research suggests. Scientists say this combination drives obesity and means dog owners should be particularly strict with feeding and exercising their dogs to keep them slim. Read more on the STV News website. #labrador #labradors #overweight #geneticmutation #ne