How Diet Affects the Brain

“Poor diets lead to a host of medical issues: obesity, cardiovascular disease, diabetes, and certain cancers. But diet also influences the brain and can increase the risk for mental disorders and neurodegenerative diseases. Researchers are uncovering the details of how the foods we consume affect our cravings, our moods, and even our memories.”

We hear so much these days about omega 3-rich fish oils as well as omega-6 rich oils. Today we consume ten to 20 times more omega-6 fats and have dramatically reduced our intake of omega-3 fats. This goes against our hunter-gatherer evolutionary history of a 1:1 ratio. Recent research indicates that people who regularly consumed omega-3-rich oils such as flax seed, olive and walnut oils were 60 percent less likely to develop dementia than those who did not regularly consume such oils. Y. Zhang, et al. “Intakes of Fish and Polyunsaturated Fatty Acids and Milk-to-Severe Cognitive Impairment Risks…. American Journal of Clinical Nutrition 71, no.2 (2016):330-40.


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