AMC’s Ryan, Cameron Mathison who is a guest correspondent on Good Morning America detailed in a two-part series that aired Thursday and today, about his childhood battle with Perthes disease, and how he wore a leg brace during his formative years and how it affected him. The second part which aired today, detailed Mathison’s look into advances into the disease in 2009. Heart-tugging! Click on the link below for the 1st part!