Amazon.com description: Product Description: Millones de personas de todo el mundo sufren de migranas, y, sin embargo, sigue siendo una enfermedad tan impredecible y variable en sus sintomas y su fisiologia, que constituye un serio desafio para la profesion medica. Durante siglos se ha confundido con la locura o la epilepsia, se ha marcado como psicosomatica, y algunas alucinaciones incluso se han confundido con visiones misticas. En el primer libro, Oliver Sacks propone su teoria de que las migranas son de origen triple: psicologicos, fisiologicos, y biologicos, y ni en su deteccion ni en su tratamiento cualquiera de estos factores pueden ser ignorados. / Millions of people from around the world suffer from migraines, and yet it remains an illness so unpredictable and variable in its symptoms and physiology that it constitutes a serious challenge for the medical profession. For centuries it has been confused with madness or epilepsy, it has been labelled as psychosomatic, and some hallucinations have even been confused with mystical visions. In Oliver Sacks first book, he proposes his theory that migraines have a triple origin: psychological, physiological and biological, and neither in their detection nor in their treatment can any of these factors can be ignored.