They publish a booklet on the subject available for 6 International Reply Coupons, and they also have a questionnaire that interested people can fill out. Their research suggests following a vegetarian diet, plus eating 2 raw African green chillies one day, followed by 1 chilli the next day for temporary relief. A prominent American tinnitus specialist says that no such link has been established. Sometimes poking around inside the skull will accidentally damage the hearing system. Tinnitus can result, or even profound deafness caused by severe inner ear infections.
Some people report auditory fatigue from driving automobiles long distances with the windows down.
Anybody regularly exposed to these conditions should consider wearing ear plugs or other hearing protection. For medical care, visit your health care professional.