Alzheimer's disease is a disorder of the brain which impedes thinking skills and damages memory. It is considered to be progressive and irreversible. Some of the major features of Alzheimer's disease are amyloid plaques and neurofibrillary tangles in the brain. There is also a significant loss of connections between the brain's nerve cells. With the progress of the disease, other parts of the brain are affected and the brain tissue shrinks considerably. Some of the symptoms of this disease are memory issues, compromised reasoning and issues with vision. There is no known cure for this disease, however; there are numerous treatments available which can help in the management of symptoms. This book contains some path-breaking studies on Alzheimer's disease. It discusses the fundamentals as well as modern approaches of research within this field. This book will provide comprehensive knowledge to the readers.