On June 12, the 7th U.S. Circuit Court of Appeals found for the first time that extreme obesity qualifies as a disability under the Americans with Disabilities Act — but only if caused by an underlying physiological disorder.The case comes at a time when views on disability are evolving. The American Medical Association designated obesity as a disease in 2013. While the Equal Employment Opportunity Commission and various federal courts have decided that obesity alone should entitle afflicted workers to certain …