Blood Disorders


Information for healthcare professionals outside the US about Myeloproliferative neoplasms (MPNs) including causes, treatment options and frequently asked questions.


Site offers a central communication hub for people suffering with cryoglobulinemia.

Factor V Leiden

Offers support, resources, and a forum for sufferers of Factor V Leiden and Thrombophilia. Includes a reference center for those recently diagnosed.

Glanzmann's Research Foundation

Works to find a cure for Glanzmann’s Thrombasthenia, an inherited bleeding disorder. Includes message board, articles, personal stories and research details.

Hereditary Angioedema Association

Support group for people who suffer from Hereditary Angioedema (HAE). Symptoms include episodes of localized swelling and inflammation.

National Hematologic Diseases Information Service

Provides comprehensive information about hematologic diseases, statistics, publications, guidelines, as well as research reports.

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