A Bit About Bostons. A cross between the English bulldog and the white English terrier, the Boston originated in Boston, Massachusetts in the late 19th century. Not larger than 25 pounds, the dog is muscular, alert and intelligent, and has an easygoing personality. That said, heart disease is the leading cause of death in this breed.
Premature babies are often more prone to infections that can cause deafness. They may also be born with severe jaundice or experience a lack of oxygen at some point. Both of these can cause deafness. In early childhood there is a range of things that can be responsible for a child becoming deaf. Infections like meningitis, measles and mumps can cause deafness. Ototoxic drugs, used to treat other types of infections in babies, can also be a cause.
1 Sensorineural hearing loss-hearing loss is caused by dysfunction of the inner ear, the cochlea, auditory nerve, or brain damage. 2  Usually, this kind of hearing loss is due to damage of the hair cells in the cochlea.3  As humans get older, the hair cells lose some of their function, and our hearing gets worse.nilateral deafness (single-sided deafness or SDD) refers to just one ear, while bilateral means a hearing impairment in both. People with unilateral hearing impairment may find it hard to carry on a conversation if the other person is on their deaf side.