U.S. National Library of Medicine http://www.nlm.nih.gov/medlineplus/ency/article/001236.htm MedlinePlus Medical Encyclopedia: Hypochondria hypochondriac U.S. National Library of Medicine Illness anxiety disorder Illness anxiety disorder U.S. National Library of Medicine U.S. National Library of Medicine U.S. National Library of Medicine National Library of Medicine - Hypochondria U.S. National Library of Medicine hypochondria U.S. National Library of Medicine U.S. National Library of Medicine Illness Anxiety Disorder Full article >>>