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Health Topics

Explore Topics

Find diseases and conditions; healthy living; workplace safety; environmental health; injury, violence and safety, global health and more.


What is the Health Topics A-Z Index?
The Health Topics A-Z Index is a navigational and informational tool that makes the website easier to use. It helps you quickly find and retrieve specific information. Synonyms, acronyms, and cross-references provide multiple ways for you to access the topics and features on The index includes common and scientific terms to meet the needs of consumers as well as health professionals.


What items are included?
The Health Topics A-Z Index lists topics with relevance to a broad cross-section of’s audiences. The items are representative of popular topics, frequent inquiries, or have critical importance to CDC’s public health mission. The index will continue to evolve as additional topics are added.

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