- Malaria
- Malthus, Thomas Robert
- Mammography
- Managed Care
- Manson, Patrick
- Mantoux Test
- Marginal People
- Marijuana
- Mass Media
- Mass Media and Tobacco Control
- Mass Medication
- Matching
- Maternal and Child Health
- Maternal and Child Health Block Grant
- Maximum Tolerated Dose
- Measles
- Media Advocacy
- Medicaid
- Medical Genetics
- Medical Sociology
- Medical Waste
- Medicare
- Medication Abuse, Elderly
- Medline
- Melanoma
- Menstrual Cycle
- Mental Health
- Mental Retardation
- Mercury
- Mesothelioma
