This clinical update on dementia in Australia provides a comprehensive overview of the disease, including its causes, risk factors, clinical manifestations, and treatment options. It discusses the various types of dementia, with a particular focus on Alzheimer's disease, and explores the underlying pathophysiology, predisposing factors, and diagnostic methods. The report also delves into the pharmacological and non-pharmacological interventions used in the management of dementia, such as cholinesterase inhibitors, Memantine, and cognitive behavior therapy. Furthermore, it highlights the importance of early diagnosis, health promotion strategies, and the economic and social impact of dementia on the Australian population. The update emphasizes the need for continued research and advancements in the understanding and management of this debilitating condition, which affects a significant portion of the elderly population. Finally, it touches upon the causes, types, and pathophysiology of dementia, including the common forms such as Alzheimer's disease, vascular dementia, dementia with Lewy Bodies, and frontotemporal dementia, along with the predisposing factors and signs and symptoms of Alzheimer's disease.