"A team of international public health experts argued [in a recent report in the British medical journal the Lancet] that the global obesity crisis will continue to grow worse and add substantial burdens to health-care systems and economies unless governments, international agencies and other major institutions take action to monitor, prevent and control the problem.
"Changes over the past century in the way food is made and marketed have contributed to the creation of an 'obesogenic' environment in which personal willpower and efforts to maintain a healthful weight are largely impossible, the report noted."