title: Associated diseases.
abstract: Yawning is a physiological behavior and, as with all such behaviors, its deregulation is indicative of an underlying disorder. This chapter breaks this topic down into the types of yawning (incomplete, absent or excessive) and the direction of causality (triggering or relieving a disorder).
authors.affiliation: General Practice, Brou, France.
authors.forename: Olivier
authors.initials: O
authors.lastname: Walusinski
mesh_terms: D000818:Animals; D006801:Humans; D001523:Mental Disorders / Q000503:physiopathology*; D009422:Nervous System Diseases / Q000503:physiopathology*; D015000:Yawning / Q000502:physiology*