1 Tinnitus and Hearing Loss

Tinnitus is a symptom present in approximately 15 % of the world, and this proportion increases to 33 % in individuals over 60 years Jastreboff and Hanzel, 1993). It carries a negative impact on quality of life for 20 % of them. May be associated with more than 300 diseases (Ganança et al, 1994), with a hearing loss o