When using databases select full-text to ensure you are looking at articles available in their entirety.
Pick articles that can be accessed in their entirety.
Read the articles abstract first.
Boolean searches allow you to combine words and phrases using Boolean operators (AND, OR, and NOT) to limit, widen, or define your search.
Cats and Dogs brings up results that contain both terms.
Cats or Dogs brings up results that contain either terms.
Cats not Dogs only brings up results for one of the terms.
As the nation's health protection agency, CDC saves lives and protects people from health, safety, and security threats. It also offers vast information on many diseases and medical conditions.
Every medical condition has its own organization, so looking up disease-specific sites is another good source for background information.