- AARP
- Abortion
- Abortion Laws
- Absenteeism
- Abstinence
- Acceptable Risk
- Access To Health Services
- Accountability
- Accreditation of Local and State Health Departments
- Accreditation of Public Health Training Programs
- Acculturation
- Acid Rain
- Acute Respiratory Diseases
- Addiction and Habituation
- Adherence or Compliance Behavior
- Administration for Children and Families
- Adolescent Smoking
- Adolescent Violence
- Advertising of Unhealthy Products
- African Americans
- Agency for Healthcare Research and Quality
- Agency for Toxic Substances and Disease Registry
- Aging of Population
- Air Quality Index
- Airborne Particles
- Alcohol Use and Abuse
- Alma-Ata Declaration
- Alternative, Complementary, and Integrative Medicine
- Alzheimer's Disease
- Ambient Air Quality (Air Pollution)
