If there’s anything worse than being sick, it’s being sick while dealing with insurance issues. But unfortunately, that situation is all too common. Recent research from the Commonwealth Fund, a private foundation that researches health care issues, finds that 17% of U.S. adults have in the past year had their insurance company deny doctor-recommended care, with denials happening about as frequently for people on both commercial and government insurance plans. [time-brightcove not-tgx=”true”] Denials can occur either before you’ve gotten a test, procedure, or treatment—when a provider submits a request for prior authorization, for example—or after you’ve already received care.