When it comes to health care, all anyone can talk about these days is Obamacare. And, while that may be understandable, the political furor over the program has obscured a quieter but arguably more consequential development: health-care costs in this country may finally be coming under control. As a new report from the Council of Economic Advisers details, after half a century in which medical spending has well outpaced G.D.P. growth, something has changed. From 2007 to 2010, per-capita health-care spending rose just 1.8 per cent annually. Since then, the annual increase has been a paltry 1.3 per cent.