title: From the editors' desk: challenging problems, challenging patients.
authors.forename: Mitchell D
authors.initials: MD
authors.lastname: Feldman
mesh_terms: D006801:Humans; D007396:Internship and Residency / Q000379:methods / Q000639:trends*; D001523:Mental Disorders / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy*; D005791:Patient Care / Q000379:methods / Q000639:trends*; D011340:Problem Solving