People can become addicted to drugs or alcohol no matter their handicap, disability or personal physical challenge. This sometimes makes individuals particularly more vulnerable to becoming involved in substance abuse, because of the varying challenges that this can bring about in the individual's life. This is true for individuals in the deaf and hearing impaired community as well, and treatment for substance abuse and addiction is sometimes necessary. Deaf or hearing impaired persons will require ASL or other assistance as part of their treatment needs, and there are drug rehabilitation programs available which provide these services. Professional substance abuse counselors who know ASL and can offer other necessary assistance to deaf or hearing impaired substance abusers.