The air you breathe in may be the reason for your weight gain. A new study looked at urban versus rural environments to try and determine other factors of weight gain when diet and exercise were controlled. “Two people can eat the same foods, and do the same exercise, but over the course of a few years, one may put on more weight and develop a faulty metabolism – thanks to the atmosphere around their home…Traffic fumes and cigarette smoke are the chief concerns, with their tiny, irritating particles that trigger widespread inflammation and disrupt the body’s ability to burn energy.” The researchers emphasized that regardless of the findings, this is not the only answer for why someone may gain weight and emphasized that unhealthy habits should not be ruled out. While the environment may affect weight gain on a small scale it, “shouldn’t be used as an excuse for obesity by itself…