Dementia is a group of symptoms that is often associated with memory loss, however, it can also cause other difficulties such as planning and communication. Dementia is caused by diseases of the brain like Alzheimer, and Parkinson's disease. As well dementia common disease in aging. Knowing the stages of dementia in the patient's is important and helps the doctor to understand the advance of the disease such as, how many areas of the brain are affected, if it has spread, and how serious it is. Also for selecting the best treatments and therapy options. There are three gradual developing stages of dementia. It starts with mild symptoms which is the first stage, moderate symptoms in the second stage, and gradually becomes more severe in the third
