Alcoholics Anonymous (AA)
Alcohol and drug abuse and dependence are not just problems of the young.
American Psychological Association
The American Psychological Association is the largest scientific and professional organization representing psychology in the United States, with more than 122,500 researchers, educators, clinicians, consultants and students as its members.
Griefnet.org
Griefnet.org is an internet community of persons dealing with grief, death and major loss.
Hospice Foundation of America
End-of-life care resources for professionals, patients and families.
National Alliance on Mental Illness (NAMI)
From its inception in 1979, NAMI has been dedicated to improving the lives of individuals and families affected by mental illness.
The Substance Abuse and Mental Health Services Administration
The Substance Abuse and Mental Health Services Administration (SAMHSA) is the agency within the U.S. Department of Health and Human Services that leads public health efforts to advance the behavioral health of the nation. SAMHSA’s mission is to reduce the impact of substance abuse and mental illness on America’s communities.

Reference
Society of Certified Senior Advisors®. Working with Older Adults – A Professional’s Guide to Contemporary Issues of Aging