Why excercise won't make you lose weight. Believe it or not, this is not surprising new science; experts have been saying this for years. The conflation of health and obesity has lead us to confuse the goals. We're told to exercise because it will make us thin, which it won't. But it will make us healthy. Unfortunately, health is a distinctly secondary goal for most people at the gym.
The US is particularly miserable at putting aside money for the future. Should we blame our paychecks or our psychology?