MRI images showed those with lower levels of omega-3 fatty acids were also more likely to have minute but significant structural changes in the brain. The MRIs showed higher white matter hyperintensity volume, tiny lesions in the brain, raising the risk for death, stroke and dementia for the low omega-3 fatty acids group.

Tan said the results were consistent with signs of damage to the intricate network of blood vessels in the brain. A third of the brain by volume is composed of blood vessels.


Study: Brain suffers when fish oil falls short
thechart.blogs.cnn.com
People with diets short on omega-3 fatty acids – the kind found in fish oil – were more likely to experience accelerated brain aging, a new study found.