title: Anxiety.
abstract: Essential facts Anxiety is the feeling of fear that occurs when faced with threatening or stressful situations. It is a normal response when confronted with danger, but, if it is overwhelming or the feeling persists, it could be regarded as an anxiety disorder. The Royal College of Psychiatrists says anxiety disorders, including panic disorder, post-traumatic stress disorder and social anxiety disorder, affect about one in ten.
authors.forename: Erin
authors.initials: E
authors.lastname: Dean
mesh_terms: D001007:Anxiety / Q000209:etiology / Q000503:physiopathology / Q000523:psychology / Q000628:therapy; D006801:Humans; D012307:Risk Factors; D006113:United Kingdom