The number of residents in the U.S. affected by tinnitus is estimated at 37 million to 40 million.[1,2] Given that the U.S. population is approaching 296 million, about 12% to 14%, or one in seven to eight Americans, is affected with tinnitus. This condition may affect 30% of adults. Experts also estimate that 15% of Americans have experienced tinnitus that lasts longer than five minutes, that 155 million (over 50% of the population) have sought medical care for tinnitus, and that 6% of sufferers report being incapacitated by tinnitus. http://www.medscape.com/viewarticle/506920 To me that sounds like a huge problem (2 million people out of work because of ringing in their ears!) Yet almost no research is done and very poor funding. I dont get it!