FISH OIL NEWS Summaries of the latest research concerning the health benefits of fish and fish oil Fish oil protects against Alzheimer's disease CHICAGO, ILLINOIS. High levels of the omega-3 fatty acid docosahexaenoic acid (DHA) are found in the more active areas of the brain including the cerebral cortex, mitochondria, synaptosomes, and synaptic vesicles. At least one epidemi..