Journal of Dementia is one of the best open access journal that aims to publish the most complete and reliable source of information on discoveries and current developments in the mode of original articles, review articles, case reports, short communications, etc. in the field and provide free access through online without any restrictions or any other subscriptions to researchers worldwide. Dementia is a broad category of brain diseases that cause a long term. Dementia is not a single disease in itself, but a general term to describe symptoms of impairment in memory, communication, and thinking. Dementia increases with age; it is not a normal part of aging. Dementias can be caused by brain cell death, and neurodegenerative disease - progressive brain cell death that happens over time - is associated with most dementias. Dementia can be caused by a head injury, a stroke, or a brain tumor, among other causes. The most common type of dementia is Alzheimer's disease, which makes up 50% to 70% of cases. Other common types include vascular dementia (25%), Lewy body dementia (15%), and frontotemporal dementia, Post-traumatic dementia, Parkinson's disease, alpha-synucleinm, Huntington's disease, normal pressure hydrocephalus, Creutzfeldt–Jakob disease, Down syndrome.