living with Periodic Paralysis is a must read for anyone suffering from the devastating effects of the mysterious disease called Periodic Paralysis. After nearly dying and after many years of misdiagnosis and mistreatment by medical professionals, Susan and Calvin uncover the cause of her illness. Based on a lifetime of experience and after nearly 3 years of experimentation, detailed research and tremendous study, they share their discoveries. living with Periodic Paralysis unravels the inherent mysteries of this rare condition.