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Homocysteine and cognition--a historical perspective
1Wales College of Medicine, Gardden Road Surgery, Rhosllanerchrugog, Wrexham, Wales LL142EN, UK. andrew@mccaddon.demon.co.uk
Journal of Alzheimer'S Disease : JAD
|August 19, 2006
Summary
Homocysteine and cognitive decline are linked to vitamin B12 and folate deficiencies. Research explores if homocysteine independently impacts cognition, questioning current intervention effectiveness.
Area of Science:
- Neurology
- Nutritional Science
- Gerontology
Background:
- The link between homocysteine and cognitive function emerged from observations of cognitive impairment in vitamin B12 and folate deficiency.
- This review traces the historical context of vitamin B12 and folic acid research and their evolving association with dementia.
Observation:
- Vitamin deficiencies (B12, folate) manifest hematologically and neuropsychiatrically, impacting cognition.
- These deficiencies are associated with dementia, generalized cognitive decline, and specific neuropsychological deficits.
Findings:
- The study evaluates the potential for reversing cognitive decline linked to homocysteine or vitamin deficiencies.
- Current interventions face challenges in definitively proving homocysteine's independent role in cognitive function.
Implications:
- Further research is needed to clarify the independent contribution of homocysteine to cognitive decline.
- Novel approaches are proposed to better elucidate the homocysteine-cognition relationship and guide effective interventions.
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