This is an article on a known cause of tinnitus: http://www.scielo.br/scielo.php?pid=S2317-64312014000100008&script=sci_arttext&tlng=en. The population affected with tinnitus lives near a river and the article explains why this fact contributes to their tinnitus.
One thing that many have said contributed to their tinnitus is dental work and another is flu vaccine or it was service related. All of these introduce mercury.
One thing that many have said contributed to their tinnitus is dental work and another is flu vaccine or it was service related. All of these introduce mercury.