My daughter is 2.5 years old but she is very lean and thin and moreover eats limited amount of foods..like she eats everything but in little amount... Moreover we noticed that she don't have that physical strength too ..please suggest any food or method in which she can that strength to fight against any sorts things.. (points:Her father has this things eat less;lean and thin ;weak; immunity less ;less physical strength since childhood)please guide is this have any connection,?