Mutual support groups whose members are individuals who have or are at risk of an alcohol use disorder. The groups meet in-person, by telephone or via the Internet; provide emotional support, information and resources to help participants overcome their disorder; and may include faith-based and secular 12-step groups as well as non-12 step groups, and groups for anesthetists, pharmacists, psychologists, physicians or other health care professionals who are recovering from an alcohol use disorder.

Programs based on a harm reduction model that provide a safe and supportive environment which allows individuals who use drugs and/or alcohol to drop in and access multiple related services including group and individual counseling, day beds, showers, clothing, medical care, needle exchanges, sterile injection equipment and overdose prevention training, as well as information and referral, social activities and snacks. The programs may be structured for specific populations such as women or sex trade workers or be open to all.

Individuals who are generally between the ages of 18 and 25 depending on the ages that specific programs use for qualification.

Individuals who are age 13 to 17.