I can get sushi next door for five bucks.
It's quite possible to eat healthy for not much money.
People eat what they really want to eat. This drives some other people nuts.
Most ethnic food is the result of years of rank poverty and deprivation. Look up "soul food."
Sushi is what people ate when they didn't have a lot of firewood, no actual meat, and they had to make something savory out of a very small amount of food.
Kids are fat because they don't play outside any more.