my kid don't concentrate on studies much..what food I can give or any exercise which can help..pls advise?

A. play memory games n brain booster activities..offer Eggs, youghrt, spinach, nuts like almond, wallnut, sunflower seeds, apple, plum, peanut, pumpkin and pumpkin seeds, oats, butter, beans , milk and milk products..are some of brain Development food substance.. Also...keep story telling, have meaningful conversation, choose books with more moral n meaning.