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.
Many children are born deaf because of a genetic reason. Deafness can be passed down in families even though there appears to be no family history of deafness. Sometimes the gene involved may cause additional disabilities or health problems. Deafness can also be caused by complications during pregnancy. Illnesses such as rubella, cytomegalovirus (CMV), toxoplasmosis and herpes can cause a child to be born deaf.
Some of the many causes of hearing loss include: 1  hereditary disorders â some types of hearing loss are hereditary, which means parents pass on affected genes to their children. In most cases, hereditary hearing loss is caused by malformations of the inner ear.