Playing games where you put yourself at risk, overcome fear and learn about teamwork should be encouraged, writes Dr Kevin Donnelly.If banning primary school kids doing cartwheels is justified as it’s classified as a medium risk level 2 – as has happened in a Queensland school in August in line with education department guidelines – then British Bulldog and touch-chasey must be off the scale.Remember those games we once played as kids at recess and lunchtime? That was when a scraped kn…