Del Rio News Herald (Internet / Print) 03/14/06 “Some 35 million people in the United States are affected by tinnitus,” Dr. Andamo Guillaume, physician with ENT Consultants, San Antonio, said recently. “It can obstruct other hearing, and be very stressful. Our ears are very, very fancy structures.” Despite the fact that physicians have identified so many possible causes of tinnitus, they remain perplexed as to why it happens. Of subjective tinnitus, a University of Texas Medical Branch grand rounds presentation by resident physician Gordon Shields, MD, gave the scientific caveat, “Tinnitus which is sensorineural in origin does not have a clear physiological explanation.” As Guillaume explains more succinctly, “We just don’t know.”