My daughter is 4 yrs old weighing only 10 kg 500gm she does not gain weight and is very weak i consulted many doctors but is useless they say she is very active thats the only anwer i get she has problem eating solid food she does not like to eat a single fruit nor chocolates or any chips or waffers from outside and also harras me a lot to eat home made food pls help my daghter fo that she start liking to eat food and gain some weight atleast.