With the increase in the aging population of the United States, the burden of diseases that become more pronounced with age has increased. Dementia and Alzheimer’s disease lie in this category of diseases and these are disorders which need great attention. This is owing to the fact that these conditions severely hamper the living of an individual as the diseases lead to a reduction in the memory accompanied with alteration in the cognitive capabilities of the patient. This can serve to result in increasing the load on the healthcare system and affect the efficiency of the healthcare services.
The terms dementia and Alzheimer’s disease are used interchangeably by a few people but there is a significant difference between these terms. Dementia is a broad term which refers to the alteration in the memory along with diminished cognitive function but the person stays conscious and episodes of unconsciousness are not normally witnessed. Dementia results owing to many etiological factors and many pathological diseases can lead to the condition. The highest incidence of dementia occurs due to Alzheimer’s disease. This clearly highlights the most important difference between the two conditions that is Alzheimer’s disease may be a causative factor for dementia....
ording to the International Classification of Diseases-10, the causes of dementia are categorized as dementia occurring due Alzheimer’s disease, dementia due to vascular pathologies, idiopathic dementia and dementia due to pathologies
like HIV, multiple sclerosis and Huntington’s disease. Dementia is not merely a disease but it is rather a syndrome. This is due to the fact that it affects many of the major systems of the human body. It is known to alter the cortical activity of the brain and it may result in decreased memory, difficulty in processing of thoughts, difficulty in speech and understanding, alterations in abilities to comprehend and loss of decisive capabilities. The damage that occurs due to dementia cannot be reverted and it mainly occurs in the elderly people. In the year 2002 in the United States, it was estimated that dementia affected approximately 3.4 million people above the age of 71 years (Brown et al 2003; Plassman et al 2007). Alzheimer’s disease has been highlighted to be the most frequent disease that results in dementia. In the United States in the year 2002, the occurrence of Alzheimer’s disease was approximated to be 2.4 million for people above the age of 71 years. These figures indicate that greater than 70 percent of individuals who suffer from dementia have Alzheimer’s disease as the underlying pathology. Dementia associated with Alzheimer’s disease mainly affects the parietal and temporal lobes of the brain whereas there may be dementia associated with frontal and temporal regions of the brain as well. Alzheimer’s disease results in lack of capabilities to orientate, reduction in memory and lack of understanding and speaking language. The condition mostly occurs without any underlying cause but a few cases may be