Fishing for the best source of brain food

IT MAY prevent your brain from suffering age-related decline and stop you from forgetting where you have left those keys, but is that enough to get you eating fish a few times a week?
It would seem like a no-brainer if we want to keep our grey matter intact, but not according to a Bord Bia review in 2011, which found that only 44% of us eat fish once or more a week, with cod and salmon being the most popular choices.