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=Science Summary=

This article posted on Science Daily is about research done on Dementia patients and how the lack of Vitamin D in a individual can increase the risk of obtaining Dementia. Dementia is a state of mental deterioration characterized by impaired memory and intellect and by altered personality and behavior (Boyd, 190). Participants who were severely Vitamin D deficient were more than twice as likely to develop dementia and Alzheimer's disease (Science Daily). Dementia can result from such conditions as cerebral arteriosclerosis (hardening of arteries), chronic alcoholism, and damage from small strokes. (Boyd, 190). With the causes provided by the textbook of Dementia and the explanation that a lack of Vitamin D to an individual heightens the risk of obtaining Dementia I wonder if Vitamin D helps in avoiding cerebral arteriosclerosis. Clinical trials are now needed to establish whether eating foods such as oily fish or taking vitamin D supplements can delay or even prevent the onset of Alzheimer's disease and dementia (Science Daily). This specific sentence from the article on Science Daily interest me because the textbook descriptively states "Vitamins have been ruled out as preventatives for Alzheimer disease", so perhaps information on either source are outdated.

Wood, Samuel E., Ellen R. Green. Wood, and Denise Roberts. Boyd. // Mastering the World of Psychology //. Fourth ed. Boston: Pearson/Allyn and Bacon, 2011. Print.

University of Exeter. "Link between vitamin D, dementia risk confirmed." ScienceDaily. ScienceDaily, 6 August 2014. .

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