8 to 10

When you or your child athlete thinks of food, think about carbohydrates, such as the whole-grain products, vegetables, and fruits that make up three-fourths of the FDA's new MyPlate food guidance system.

Regardless of which return to play guidelines a child's school or sports program follows for concussions, they are just guidelines, not ironclad rules, with a child's return to play determined on case-by-case basis.