Reference books are great places to begin your research. Buley Library has many public health reference books that can give you an overview of a topic before you begin looking for more specific information.
A Dictionary of Public Health
REF RA 423 .S545 2001
Encyclopedia of Public Health
REF RA 423 .E53 2008
Encyclopedia of Public Health ONLINE
Encyclopedia of Primary Prevention and Health Promotion
REF RA 427.8 .E53 2003
Oxford Handbook of Public Health Practice
REF RA 427 .O96 2001
These websites all offer good factual information.
Anthropology of Alternative Medicine
ONLINE
Dictionary of Health Insurance and Managed Care
REF RA 395 .A3 R685 2009
Encyclopedia of Epidemiology
REF RA 652 .E533 2008
Encyclopedia of Health and Aging
REF RA 777.6 .E534 2007
Encyclopedia of Health Care Management
REF RA 971 .E52 2004
Encyclopedia of Infectious Diseases
REF RA 643 .E53 2007
Encyclopedia of Women's Health
REF RA 778 .G39 2002
Facts on File Encyclopedia of Health and Medicine
REF R 125 .R68 2006
Handbook of Environmental Health
REF RA 565 .K67 2003
Handbook of International Health Care Systems
REF RA 441 .H36 2002
Health Care Policy and Politics A-Z
REF RA 395.A3 R685 2009
Infectious Diseases: In Context
REF RC 111 .I516 2008
Nutrition and Well-Being A-Z ONLINE