Knee replacement linked to weight gain: study December 11, 2012 By Angela A new study suggests that post knee replacement surgery may lead to weight gain. To learn more about this study read on…… Click to Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to print (Opens in new window)