By JANE E. BRODY Yvetta Fedorova Hearing loss, a disability currently untreated in about 85 percent of those affected, may be the nation’s most damaging and costly sensory handicap. It is a hidden disability, often not obvious to others or even to those who have it. Its onset is usually insidious, gradually worsening over years […]
Tinnitus is generated by neuron activity in the brain, researchers say. Tinnitus, that phantom ringing in the ears that affects millions of people, is generated not by the ear, but by neurons firing in the brain, according to a North American research team. “Tinnitus is not generated by processes in the ear, but by changes […]
