Individuals can become addicted to alcohol or drugs no matter their handicap or personal physical challenge. This often makes individuals particularly more vulnerable to getting involved in alcohol or drug addiction, as a result of the varying issues that this can bring in the perspon's life. This is often a factor for people in the deaf and hearing impaired community also, and treatment for substance abuse disorders is often required. Deaf or hearing impaired individuals will require ASL or other assistance as part of their rehab needs, and there are drug and alcohol treatment facilities available throughout the Lisbon area which specifically help fill these needs. Professional drug rehab counselors who understand the need for ASL and can supply other crucial assistance to deaf or hearing impaired addicted individuals are readily accessible in numerous drug rehab centers around Lisbon and in the country.