According to this article the cost of obesity is about 50 billion GBP for Britain as a whole and 8 billion GBP for the NHS. I'm surprised it's not more right now, but I'm certain that the costs will balloon (tee hee) in a couple years as people's bodies start to fail under their ever-growing weight. Even just watching the episodes it's staggering how much care and time they drain from the system. All of those healthcare workers could be helping those whose life choices haven't landed them on death's door...