So you're heading back to school, you're figuring out what you're going to carry in your bag every day, and you start to wonder... "What kinda stuff does Tom carry? Nunchucks? Anti-gerbal spray?
How Can Backpacks Cause Problems? A backpack that isn't used properly can cause back problems or even injury. Here’s how: If you adjust the weight or the way you carry your pack but still have back ...