Matt Damon says cutting one thing out of his diet got him down to his 'high school' weight

Source: Business Insider

Matt Damon says his latest role required a strict routine that left him lighter than he's been in years. NBC/Todd Owyoung/NBC via Getty ImagesMatt Damon, 55, says he made a big diet change to prepare for his latest film, "The Odyssey. "He said cutting out gluten helped him slim down to 167 pounds, a weight he hadn't been at since high school.