If you've been thinking about lacing up those running shoes, here's another reason why running is so good for you: MRI scans are revealing greater connectivity in the brains of endurance runners than in the brains of those with a sedentary lifestyle. This improved connectivity includes regions of the brain that control planning, decision-making and the ability to switch attention between tasks. While more research is needed, you can read more about these fascinating findings here: https://www.sciencedaily.com/releases/2016/12/161214151637.htm