Only 9 percent of U.S. seniors making less than $50,000 a year own hearing aids, according to 2010 survey by medical devices research firm Parks Associates.
From the article, "Able Planet Plans Hearing Aid Alternative for Aging Population" by Karen E. Klein
Only 9 percent of U.S. seniors making less than $50,000 a year own hearing aids, according to 2010 survey by medical devices research firm Parks Associates.
