Tinnitus affects more than 740 million adults worldwide and is viewed as a major problem by over 120 million, highlighting the need for improved research and patient care, according to a systematic review in JAMA Neurology.
“Today there is no globally accepted categorization of tinnitus, although different attempts have been made,” Carlotta M. Jarach, MSc, of the department of environmental health sciences at the Mario Negri Institute for Pharmacological Research in Milan, and colleagues wrote. “Moreover, evidence on the frequency of tinnitus among the general population is