Hearing loss may be a result of environment, aging, health factors, or a congenital condition. The causes of hearing loss include: *Loud noises. Loud noises can overwork hair cells in the ear, causing irreversible damage. *Age-related factors. Presbycusis, is a natural by-product of aging and is caused by changes in our ears as we age. *Health factors. A variety of health factors can impact hearing. *Ototoxic medications. Some medicines can cause ototoxic hearing loss. *Congenital condition. Hearing loss is the most common congenital condition in Canada. If you suspect hearing loss, the hearing professionals at Alto Hearing are here to support you.