"Even on the matter of fitness, our population has become polarized. Large numbers have surrendered to obesity, while others seem willing to suffer hugely in pursuit of uber-fitness."

Americans polarized on exercise too

"Even on the matter of fitness, our population has become polarized. Large numbers have surrendered to obesity, while others seem willing to suffer hugely in pursuit of uber-fitness. So many of us, it seems, cannot enjoy good health in a relaxed way."