Eating baked or broiled fish once a week could help to boost brain health, according to a recent study
Raji et al, 2014 - Regular Fish Consumption and Age-Related Brain Gray Matter Loss
See also: 15 July 2014 - Nutraingredients - Fish oil linked to structural changes in the brain: Human data
and Daiello et al, 2014 - Association of fish oil supplement use with preservation of brain volume and cognitive function.