; and (C) have as their purpose any of the following: (i) The maximum attainment of physical, mental, and developmental functioning. (ii) Averting deterioration in physical or mental functional status. (iii) The maintenance of physical or mental health functional status. (8) Substance abuse The term substance abuse includes inhalant abuse. 702. Behavioral health prevention and treatment services (a) Purposes The purposes of this section are as follows: (1) To authorize and direct the Secretary, acting through the Service, Indian tribes, and tribal organizations, to develop a comprehensive behavioral health prevention and treatment program which emphasizes collaboration among alcohol and substance abuse, social services, and mental health programs. (2) To provide information, direction, and guidance relating to mental illness and dysfunction and self-destructive behavior, including child abuse and family violence, to those Federal, tribal, State, and local agencies responsible for programs in Indian communities in areas of health care, education, social services, child and family welfare, alcohol and substance abuse, law enforcement, and judicial services. (3) To assist Indian tribes to identify services and resources available to address mental illness and dysfunctional and self-destructive behavior. (4) To provide authority and opportunities for Indian tribes and tribal organizations to develop, implement, and coordinate with community-based programs which include identification, prevention, education, referral, and treatment services, including through multidisciplinary resource teams. (5) To ensure that Indians, as citizens of the United States and of the States in which they reside, have the same access to behavioral health services to which all citizens have access. (6) To modify or supplement existing programs and authorities in the areas identified in paragraph (2). (b) Plans (1) Development The Secretary, acting through the Service, Indian tribes, and tribal organizations, shall encourage Indian tribes