Breathing in the yellow haze of wildfire smoke is not only bad for your lungs, it can harm your mind, too. In recent years research has begun to link air pollution with poor mental health, from depression and anxiety to psychotic breakdowns and, in kids, ADHD symptoms. And while most studies have focused on urban pollution, many of the same toxic chemicals in city air can also be found in wildfire smoke - and often in far larger quantities. "Because it involves inefficient combustion of wood, le