You need to eat enough nutritious food. Such as: Vitamins , sugars , proteins , fats, etc. should be eaten. Fish should be eaten more. You can eat Zinc, Multivit, Aristovit, Vita Gold . You can take Deflux 10mg . Playing it increases the taste. As a result, the demand for food increases. Then you can be fat. Adhere to those issues for at least 15-20 days. If there is a slight improvement in the body, then follow these things for 2-3 months. And if there is no improvement, then go to a doctor who specializes in medicine or nutrition. Probably a factor as to why they're doing so poorly. (Take these medicines with the advice of any specialist)