This book is written to provide knowledge & information to students, researchers, academicians, for understanding Alzheimer’s disease along with dementia. A total simple understanding purpose a hand book for studding, guiding along with diagnosing & treatment of Alzheimer. This book intended to peoples who are care givers, have keen interest towards dementia, aging related disease, referring its pathophysiology, including special treatments by Ayurveda for Alzheimer´s.