Manual labor is down, but diets haven't changed, says study
                                
                                
                                    (Newser) -
                                    In the US, there's plenty of obesity to go around, but the problem is significantly worse in rural areas compared to urban ones, a new study finds. Some 39% of rural Americans are obese, versus 33% of urbanites, a researcher tells  ABC News . Rather than depending on self-reporting, researchers...