title: Biologic systems and their relationship to anxiety. Summary.
abstract: Substantial progress has been made in understanding the relationships between clinical anxiety and biologic systems. Optimism must be tempered, however, by the realization that lofty speculations more often than not wither under scientific scrutiny.
mesh_terms: D001008:Anxiety Disorders / Q000503:physiopathology*; D001143:Arousal / Q000502:physiology*; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology; D009119:Muscle Contraction; D011603:Psychophysiology