A new book argues that marijuana-fueled runs can boost performance and make exercise a lot more fun. For people who find the runner’s high elusive, a new book offers this suggestion: Run high. Josiah Hesse, a runner and author of “Runner’s High: How a Movement of Cannabis-Fueled Athletes Is Changing the Science of Sports,” argues that more professional and amateur athletes than ever before are working out stoned. - Read the entire article at The…