Hello 👋 what should I do for my baby to gain weight and how can I concentrate his mind about study and please suggest me to improve his memory!

A. Give 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 color full, with sound books, give toys that involves more hands, sings songsbaby massage is also extremely important to their child’s brain development.