Book excerpt: This book explores a number of uncommon diseases, including autism, Asperger’s syndrome, carpal tunnel syndrome, Huntington’s disease, systemic lupus erythematosus, psychosis, rabies, psoriasis, and many more. Each disease is explained with regards to its symptoms, diagnosis, causes and treatment. Keywords are also included to provide a quick indication of the chapter. As such, this volume represents important introductory material for pharmacy, medical and dental students, and scholars in all other health sciences subjects.