The Surprising Health Benefits Cod Liver Oil

9. Improve cognitive function

Supplementing your diet with fish oil may help ease symptoms and severity of depression, as well as promote better blood flow to the brain. Adding essential fatty acids to your diet also helps boost brain health - as an organ that's 60 percent fat, nutritious fats are vital to sharp cognitive function, neural transmission from the brain, and clear thinking.

Those who have plenty of Omega-3 in their diet may see a reduced risk of degenerative cognitive disorders, such as Alzheimer's disease and dementia. The essential fatty acids vital for brain function are found in fish oil and help prevent brain disorders in older adults.