The biggest effect on child's brain is ads running on TV.
This is the biggest poison on both children and young families.
"delicious" "food" shown in 5 seconds, hijacks child's brain.
Unfortunately parents are not capable to explain that this food is real food, but a mix of chemicals, and by eating this garbage children increase their risk of getting a lot of deseases by age 40. And this is happening, now, today.

Food does have a spiritual or religious dimension, right? It is what you put in the temple where your mind/soul rests: your body.
I would say eating habits that destroy your body should also by labeled treiff.

A child can be obese with a BMI of 21, depending on age.
Check "BMI kid calculator" on the net.
Overweight and obesity values are defined by percentiles for each age.

carbohydrates have ZERO hunger-satiation power...... you just keep eating & eating & eating. Also: there are 2 known essential fatty acids; and a few known essential proteins. There are zero Essential Carbohydrates. So, Israel should NOT be consuming irrigation-water to grow them. You can go down to zero carbohydrates in your eating-regime. It only takes willpower. Meanwhile, we should protect the vegetable farmers by spending the money to move them over to livestock operations in a measured pace.

This Reform Temple I stumbled upon had very nice Rosh Hashana services. Present were many overweight adults in the hall and among them many chubby children. The Chazan did a very nice job at the zmirot and he was merely a boy, a visibly overweight one by quite a bit. It diminished the pleasure of attending the services quite a bit.

israel is not europe