A study conducted by the Pennington Biomedical Research Center in Baton Rouge, Louisiana and published in PLoS ONE has concluded that workers in the United States are burning fewer calories at their jobs each day than their counterparts in the 1960s. On average men burn 142 and women burn 124 fewer calories per day than they did 50 years ago. Timothy Church, the lead author of the study, concluded that the primary reason for this is that jobs with moderate or vigorous activity have been in decline. This means that workers are increasingly exposed to sedentary jobs. The researchers also believe that the dramatic increase in obesity rates in the United States could be, in part, as a result of less activity in the workplace. This, combined with ever increasing caloric intake and the prevalence of high-fat and high calorie foods, have contributed to the staggering obesity epidemic in the United States
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