More teens report back pain from heavy backpacks

Sep. 2, 2013 at 12:20 PM ET

Video: Students across the country are heading back to school and for many that means carrying heavy text books and other supplies in their backpack. More than 60 percent of 11-15 years complain of pain from heavy backpacks and experts warn that’s the first sign their bags may be too heavy. NBC’s Tom Costello reports.