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.

Mutual support groups whose members are individuals who have a disorder involving the use of drugs including prescription drugs and over-the-counter medication. 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 a drug use disorder.

Mutual support groups whose members are people who have experienced a loss, such as the death of a loved one, divorce or separation. The groups meet in-person, by telephone or via the Internet; are open to anyone who has had a loss rather than structured for people with particular types of losses; and focus on helping participants accept their loss, express their grief, move through the bereavement process and put their lives back together.

Mutual support groups whose members are family, friends, significant others, non-familial caregivers or attendants who are caring for someone who has a temporary, chronic, life-threatening or terminal illness or disability or who is elderly and increasingly unable to provide for his or her own care. The groups meet in-person, by telephone or via the Internet; and provide emotional support, information and resources to help participants ensure their own well-being while remaining involved in the intense care of a loved one. Also included are care receiver support groups that help people who have a caregiver cope with the fact that they require care. Care receiver support groups are often offered in conjunction with caregiver support groups and are structured to allow care receivers to participate in their own group while their caregiver attends another.

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

Family members, friends, neighbors and others who assume responsibility for attending to the daily needs of individuals who are temporarily or permanently unable to care for themselves due to general frailty; illnesses, injuries or progressively debilitating conditions such as Alzheimer's disease or mental illness; or other incapacitating problems without compensation. Some, but not all, states have programs that help people pay for the caregiver of their choice, and in certain circumstances that can be a family member. Most of these programs have income and other eligibility requirements that the care recipient must meet, and strict rules often apply as to who can be paid for the caregiving. Benefits may also be available for veterans and their families through the Veteran's Administration.

Individuals who are currently participating in or have completed an alcohol use disorder treatment program or are involved in a recovery program and are endeavoring to remain sober.

Individuals who are currently participating in or have completed a drug treatment program or are involved in a recovery program and are endeavoring to remain drug free.

Individuals who have experienced a loss, such as the death of a loved one or pet, divorce or separation, estrangement from a family member or any other kind of significant loss whose own patterns of personal, social and familial coping have been significantly affected as a result.