شنوایی:کاهش شنوایی بدلیل سرو صدا

Hearing allows you to be involved with the world around you. As a young child, you learned to speak by listening to and imitating the voices of others. Babies who are deaf have a hard time learning to speak clearly. You have learned most of what you know by listening to parents, teachers, television and radio. Music, the sounds of nature and the voices of loved ones can bring you pleasure; sirens and alarms can warn you about danger, even when you are asleep.

علایم این بیماری: