Fish and Omega-3 fatty acids. Studies have shown that intake of saturated fat, total fat and total cholesterol increase the risk of dementia. Reduced level of Omega 3 fatty acids has been linked to increased risk of dementia thus high fish consumption would reverse the trend in risks related to dementia and cognitive decline (p.33).
Results form a community based study involving nondementaited individuals indicated that adherence to a traditional Mediterranean diet was associated with significant reduction in the risk of incidents related to Alzheimer’s disease. Fruits and vegetables are also associated with improved cognitive performance in elderly persons. Fruits are especially linked to reduction in dementia. Some studies have however associated high consumption of vegetables with reduction in cognitive decline (p.34).
Data on alcohol use and cognitive function in the elderly draws mixed results.
The complexity in these results is brought about by the dosage and type of alcohol taken. The moderate consumption of wine is associated with reduced risk of dementia and Alzheimer’s disease. On the other hand, high consumption of alcohol which results in alcoholism may lead to cognitive decline (p.34). A randomized controlled trial recently showed that moderate amounts of alcohol may delay age- associated cognitive decline. Others include; caffeine intake, hormone therapy, NonSteroid Anti-Inflammatory Drug (NSAID) therapy and homocysteine (Ho et. al., 2008, pp.86-88).
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