Hearing impairment is a disability affecting about 1 in 10 North Americans. Hearing impairment results from a structural abnormality (such as a hole in the eardrum) that may or may not produce a functional disability (such as diminished hearing).
Common causes of conductive hearing loss are
This post is the first in a series of Beginner's Guide to Rheumatoid Arthritis by Lene Andersen. Have a topic you'd like to see covered?... Read more »
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