title: Caffeine effect in vestibular system.
abstract: BACKGROUND
  Caffeine benefits and harms in health is a very controversial subject for a scientific research.
  
  
  METHODS
  This is a systematic literature using PubMed database linking caffeine with the following keywords: 'vestibular', 'vertigo', 'vestibular function', 'caloric tests' e 'electronystagmography".
  
  
  RESULTS
  Thirty articles were found and ten were analyzed for fulfill the inclusion criteria. These ten articles were grouped and then a separated in four groups, according to the approach.
  
  
  CONCLUSIONS
  There is a need of further randomized and controlled studies to understand the vestibular system.
authors.forename: Alleluia Lima Losno
authors.initials: AL
authors.lastname: Ledesma
authors.forename: Monique Antunes de Souza Chelminski
authors.initials: MA
authors.lastname: Barreto
authors.forename: Fayez
authors.initials: F
authors.lastname: Bahmad