Even the US military is concerned about the rising obesity rates and lack of physical fitness in children.
You may have seen articles about this, but it's worth reading the actual report. It's short and pretty much to the point. Unlike most fluffy articles, it's backed by endnotes, research reports, and hard numbers.
Too Fat to Fight
Read it, and if you know teachers or kid's coaches, have them read it too.
大会情報：5/28 JBJJF 第1回北海道柔術オープントーナメント 中島体育センター
1 hour ago