Encyclopedias, Almanacs, Transcripts, and Maps
- Air Quality Index
- Airborne Particles
- Al-Anon
- Alateen
- Alberty, H. B. (1890–1971)
- Alcohol and Aids
- Alcohol Use and Abuse
- Alcohol- and Drug-Free Housing
- Alcoholism
- Alcoholism
- Algorithmic Complexity
- Allergies to Alcohol and Drugs
- Alma-Ata Declaration
- Alternative Schooling
- Alternative, Complementary, and Integrative Medicine
- Ambient Air Quality (Air Pollution)
- Ambient Water Quality
- American Academy of Addiction Psychiatry (AAAP)
- American Alliance for Health, Physical Education, Recreation, and Dance
- American Association for Higher Education