A study published this month found very little difference among the hearing aid, despite a wide variety of costs.
A study published this month found very little difference among the hearing aid, despite a wide variety of costs. Dreamstime TNS
A study published this month found very little difference among the hearing aid, despite a wide variety of costs. Dreamstime TNS

Over-the-counter devices hold their own against costly hearing aids

July 28, 2017 4:50 PM