I heared about a products use in that,like fish,nuts,choko,like my work capacity to is weak.
brain can a suffer from a not right or insufficient nourishment ,like a stomach.
thus energy mind and quality is depends from memmory.
for our brain is need fish faty,sunflower,olive,corn,raps oils.
that is much containing in fish fats kinds.
for a memory cocentrate we need in ferum,,like having a mich in green apples,pomegranates,turkish,millet.
and mg ,like almond,yolk,pumpkin.
And brain is need in function too with vitamin b,thus having in cheese bran,haricots,buckwheat,nuts.