There's a surge in the percent of overweight and obese kids in the years leading up to puberty. (parents.com)
The reasons why obese kids become bullies are even more complex. (verywellfamily.com)
If children are only allowed to run, jump, and climb when strictly supervised, they aren't going to find it very fun and are likely to do less of it which can have detrimental consequences on both their physical and mental health (think unimaginative obese kids). (phdinparenting.com)