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There are other infections that can affect the nerves of the ear like; measles, mumps and scarlet fever. Exposure to loud noise: Estimates have revealed that 7 to 10 million people in American industry have noise-induced synapse xt. A person who suffered through some sort of physical trauma can sometimes be inflicted with synapse xt. Vascular diseases have a negative affect on hearing as blood flow can be restricted to vital areas of the ear including the cochlea.
For persons with hearing difficulty that is mixed in nature, there is damage in the outer and/or middle ear, as well as the inner ear and/or hearing nerve. Sometimes inserting a tube into the Eustachian tube can allow fluid to drain. If your child doesn't listen during his first six months, he can miss several opportunities in life.