Brain food...?

what are some foods/drinks i can consume to help increase my brain's capability to focus and to remember things? i think tea be suppose to help add to your memory.
also, what are some foods/drinks that i should avoid to reduce the effects of poor focus and poor memory?Brain food...?
Avoid well-mannered grains. So don't guzzle things like doritos, potato chips, etc.
An apple give you energy, and bananas as capably I think minister to you think clearer.
Have nutritious oils, such as flax nut oil, or chomp through fish with athletic oils. (That's why fish is call "brain food" - it's the healthy hefty in it).
Avoid sugary sweets.
ably foods high contained by protein are good. And also low within carbs and sugars
Foods(not supplements) rich in well brought-up quality Proteins (High PER) & vitamins B1, B6, B12 and Phosphorous.
I've other heard that fish is brain food.
http://www.zoneliving.com/zoneliving/qui...
Check out that website for the diet, and also return with one of the Fish Oil Supplements they sell. Most of the other brands (in stores) are not notably refined and are full of contaminants.
Zone is adjectives edge, great for mental function as all right as disease prevention and athletic performance.