#AskTheExpert good morning mam, my small son name luhan he is 4 and half years, he is very active but his weight only 13 kgs, I fed all the variety food, but his weight not getting up, why, what the reason, how I increase his weight

A. hi well ,low weight gain is caused by many reasons like worm Infection , stomach upset , nutritional deficiencies ,low absorption of calories , inadequate intake of food etc so please check for this. if possible please visit your pediatrician for once