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.
Alternatively, acquired deafness may be due to damage to the ear due to noise or from other conditions. Congenital deafness may or may not be genetic. In non-genetic causes, congenital deafness may be due to a condition or infection to which the mother was exposed during pregnancy, such as the rubella virus.Alternatively, congenital hearing loss may be associated with certain other characteristic findings.lternatively, acquired deafness may be due to damage to the ear due to noise or from other conditions. Congenital deafness may or may not be genetic. In non-genetic causes, congenital deafness may be due to a condition or infection to which the mother was exposed during pregnancy, such as the rubella virus.