I have a 5.5 year old son, with a 3'11'' height and a weight of 37.5 pounds only. I think according to the average BMI, he is underweight as per his height. He has an average diet, but seems he is not putting on weight according to that. Suggest me a good diet chart for him.
He has a lever issue. He once had this enlarged lever thing, when he was hospitalized for 5 days. Is that the cause behind his not gaining weight?