One day, Kaylin Underwood had an idea to help people with food allergies: an app that would alert them if they are buying grocery items with ingredients they are allergic to. Kaylin is a senior on this campus, the University of Tennessee at Chattanooga - and she calls her app idea, “AllerX.” Back in November, she won the “Hatch It” competition for her idea at UTC’s Gary W. Rollins College of Business. How would her idea work - and what’s next? Kaylin dropped by “Scenic Roots”...