http://www.webmd.com/fitness-exercise/news/20100107/running-shoes-hazardous-may-be-to-your-joints Jan. 7, 2010 -- Compared to running barefoot, running in conventional running shoes increases stress on the knee joints up to 38%, according to a new study. ''There is an increase in joint torque that may be detrimental," says D. Casey Kerrigan, MD, the lead author of the study, published in PM&R: The Journal of Injury, Function and Rehabilitation. Joint torque is a measure of how much a force causes the joint to rotate. -------------------- Oh great, just the shoe brand that I chose as my favorite because it felt like they're easy on my knees, with good pronation support. Oh well. I guess it's jogging in my socks in Chicago winter.