In an early episode of her podcast, Burnt Toast, Virginia Sole-Smith joked about starting a regular segment called “Can my kid eat that?” where the answer would always be “Yes!” A self-described anti-diet journalist, she wasn’t really joking: “I get a version of this question every single week, so I’m going to keep answering it.” How many days per week can a 2-year-old eat ice cream? “There are seven days in a week. Your child can have ice cream seven days a week. There is no law against this.” What about a 13-year-old who, left to their own devices, would eat an entire box of Oreos? “Pour a glass of…