With the imminent vote on the Senate health reform bill in the USA, this article is especially relevant.
The bill, if it is passed, will include provisions that are intended to curb the practice of insurance companies denying coverage due to pre-existing conditions. As the author points out, the current practice can have consequences for the hearing impaired, as deafness or impairment can be considered pre-existing conditions.
Health Care Reform and Deaf People (from the National Association for the Deaf’s website)