* The American Speech Language Hearing Assn. offers brochures on hearing loss. Call (800) 638-8255 weekdays, 9:30 a.m.-1 p.m. and 1:30 p.m.-4:30 p.m. EST, or write to the association, 10801 Rockville Pike, Rockville, Md. 20852.
* The Hearing Aid Helpline, (800) 521-5247, offers information on hearing loss and hearing aids. Sponsored by the International Hearing Society, a group of professional hearing specialists who fit and dispense hearing aids, the help line operates weekdays, 9 a.m.-5 p.m. EST.