"This book explores serious diseases and disorders that most readers have never heard of, ranging from genetic, infectious, and environmental diseases to autoimmune, idiopathic, and mental disorders"-- "This title informs and educates readers about rare and unusual diseases"-- Provided by publisher. Provided by publisher.

Unusual genetic disorders -- Unusual mental health disorders -- Unusual environmental diseases and disorders -- Unusual infectious diseases -- Unusual diseases and disorders with other or unexplained origins.