If someone has balanced diet, may gain weight of loose weight.
Underweight child is symptom and unlike other children they don't grow out if it.
Sometimes meds leads to weight gain disguises medical condition.
When a healthy looking person stands up at food council and says I have celiac, it confuses people as to underdevelopment of muscles, bones....it's not clarity on health issue. So I've included photos of celiac for people to better understand
https://www.goodforyouglutenfree.com/si ... e-in-kids/