what causes deafness
Some causes of hearing loss include damage to the inner ear, a buildup of earwax, infections and a ruptured eardrum. To understand how hearing loss occurs, it can be helpful to understand how you hear.
Damage to the inner ear. Aging and exposure to loud noise may cause wear and tear on the hairs or nerve cells in the cochlea that send sound signals to the brain. When these hairs or nerve cells are damaged or missing, electrical signals aren't transmitted as efficiently, and hearing loss occurs.