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Fish Oil Lowers Stroke Risk, Protects Against Stroke Damage




Several recently published studies highlight the critical importance of omega-3 fats from fatty fish consumption and fish oil supplements. Scientists publishing in the journal, Stroke, demonstrate that the active DHA omega-3 fat component helps brain cells to better withstand the stress load placed on the aging brain to lower the risk of a life-altering stroke by as much as a quarter.

Researchers from the Rhode Island Hospital’s Alzheimer’s Disease and Memory Disorders Center have found that DHA from supplements alter the critical brain chemistry and structure to prevent cognitive decline and abnormal brain aging. A wealth of scientific evidence is mounting to document the importance of omega-3 fats to assist metabolic disorders that lead to dementia, stroke and chronic disease.

Omega-3 Fat Lowers Brain Inflammation to Reduce the Damage Caused by a Stroke

Inflammation of the vital nerves and critical structures of the brain is a precursor to stress that can play an important role in the development of a life-altering stroke. Researchers publish the result of their work designed to determine if omega-3 fatty acids from fish oil, specifically the long-chain DHA component would be sufficient to reduce neural inflammation and lower risk from a stroke.

To conduct the study, mice were broken into three groups. The first group was supplemented with a DHA-enriched diet, the second group consumed a DHA-depleted diet and the final mice were fed a control diet. After a period of three months, scientists found that only the group with the DHA-enriched diet experienced lower levels of neuroinflammation and had 25% less tissue injury following an induced stroke. They also noted that long-term supplementation resulted in a healthy buildup of DHA fat in brain tissue resulting in an enhanced omega-3 to omega-6 fatty acid ratio.

Lead author on the study, Dr. Jasna Kriz concluded, This is the first convincing demonstration of the powerful anti-inflammatory effect of DHA docosahexaenoic acid essential omega-3 fatty acid integral to the health of all cell membranes, nerve and brain function. The consumption of omega-3s creates an anti-inflammatory and neuroprotective environment in the brain that mitigates damage following a stroke.”

Fish Oil Supplementation Limits Brain Shrinkage and Improves Cognition Among Seniors

Additional evidence of the importance of omega-3 fats from fish consumption or supplementation is provided by researchers from Rhode Island Hospital. A study was designed using 819 senior participants broken into three groups, those with normal cognition, mild cognitive impairment, and Alzheimer’s Disease. 117 individuals were taking fish oil supplements during the three year course of the study. Taking fish oil supplements was associated with less brain shrinkage and improved cognitive function during the study period.

The lead author, Dr. Lori Daiello concludes, “In the imaging analyses for the entire study population, we found a significant positive association between fish oil supplement use and average brain volumes in two critical areas utilized in memory and thinking.”

DHA is preferentially conserved for the construction of neural structures and should be an essential part of your regular menu (from fatty fish) or as a molecularly distilled and purified supplement (500 mg to 1 gram per day) to lower stroke risk and prevent cognitive decline.



John Phillip is a diet, health and nutrition researcher and writer with a passion for understanding weight loss challenges and encouraging health modification through natural diet, lifestyle and targeted supplementation. John’s passion is to research and write about the cutting edge alternative health technologies that affect our lives.

Discover the latest alternative health news concerning diabetes, heart disease, cancer, dementia and weight loss at My Optimal Health Resource.

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One response to “Fish Oil Lowers Stroke Risk, Protects Against Stroke Damage”

  1. […] impact of amyloid plaques in the brain and reduce the impact of Alzheimer’s disease,  and that DHA may be neuroprotective and reduce inflammation in the brain. Therefore, following a supplement regimen that includes both a resveratrol and DHA supplement […]