With all of the iPhones, iPads, tablets, laptops, and other devices teens have access to these days, you would think textbooks would be a thing of the past . . . right? Guess again. Carrying around heavy backpacks all day can be very detrimental for growing students, causing stress fractures in the back, inflammation of growth cartilage, and nerve damage in the neck and shoulders. Even with the advancements in technology, the burden of the backpack has not been lifted, in fact it has only increased.