By Carolyn Engelhard, director of the Health Policy Program in the School of Medicine's Department of Public Health Sciences.... As it turns out, politics aside, folks in nongroup plans rarely keep their coverage for more than a year or two. A January 2014 Kaiser Family Foundation Data Note reported that over a two-year period (2010 to 2011), about a third of those enrolled in nongroup plans exited within six months. ... it is unclear whether the ACA on its own can fundamentally eliminate all the vagaries of insurance markets, particularly in the nongroup segment, which is rife with enroll...