Fish Oils Fail To Stave Off Mental Decline

Dietary supplementation with Omega-3 fatty acids did not prevent cognitive decline in older individuals according to a study which reviewed the subject in the online magazine MedPage, a publication of the University of Pennsylvania School of Medicine.  By the year 2040, more than 80 million people will be affected with dementia. There has been increasing interest in identifying dietary factors that could help diminish these numbers.

The study was performed by Emma Sydenham, MSc of the London School of Hygiene and Tropical Medicine in response to some previous observational studies that suggested that consuming high levels of polyunsaturated fatty acids may reduce the likelihood of cognitive decline with aging. Some evidence does exist that fatty acids play an important role in brain health through the maintenance of neuronal functioning while acting as mediators of inflammation and oxidative stress.

Sydenham and associates looked back at three major studies designed primarily to assess the efficacy of Omega-3 fatty acids in preventing cardiovascular disease.  Cognitive function was assessed by various methods in all three well-designed studies.  All three studies indicated that Omega-3 fatty acids played no role in preventing cognitive decline.

Sydenham’s team suggested that more research is needed in this area. I believe this study emphasizes the wisdom of eating a balanced diet prepared in a way to retain the nutrients – inclusive of several portions of cold water fleshy fish per week.

In general, if you provide your body with the nutrients it needs by consuming appropriately prepared healthy portions, your body will extract what it needs.

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