_:vb50950420 . _:vb50950420 . _:vb50950420 . _:vb50950420 . _:vb50950420 . _:vb50950420 "A cognitive disorder that involves an excessive, irrational dread of everyday situations."^^ . _:vb50950420 "url:http://www.nimh.nih.gov/health/topics/anxiety-disorders/index.shtml"^^ .