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Understand Rare Diseases

Learn about the body, genetics, and potential causes

Discover possible causes of rare diseases

How metabolism, body functions, or infections may factor in

Learn how genetics may impact you

Information on variants, mutations, DNA, chromosome disorders and cancer

GARD

Explore GARD's list of rare diseases. Filter by category or search by disease name, acronym, or synonym. Rare diseases found on GARD should not be used as policy statements of NCATS or the NIH.

Learn about GARD