Do Running Shoes Make Us Run the Risk of Injury?

Runners spend $20 billion annually on running shoes, with many lacing up pairs that can cost as much as $200. But is all this fancy footwear really a good investment? A new musculoskeletal study finds that running with running shoes exerts significantly more stress on key joints than running barefoot, potentially increasing a runner's risk of developing disabilities such as osteoarthritis in the knees.