What exactly is Alzheimer''s disease and dementia? With Alzheimer''s and dementia now reckoned to affect many in our population, this is a question that more and more people are needing to ask. Understanding Alzheimer''s and Dementia'' provides a clear and concise introduction to this fascinating and complex subject. the effects of COVID 19 are discussed. Written in accessible, non-specialist language it provides an ideal introduction for parents, carers, partners indeed for anyone who is faced with a loved one or client with these conditions.