at the risk of being start work to your walled off, we built it up —— at the risk of us being statlerrnment needs to take radical action, including tighter rules on food advertising and on takeaways. here's our health correspondent sophie hutchinson. running a mile every morning before lessons — just one way this school in south london is trying to tackle childhood obesity. too little exercise and too much fatty food has proved disastrous. now england's former chief medical officer has said radical action is needed, including banning eating on public transport, and tax breaks for healthy food. government needs to be bold and it can make a difference, and the public are asking for this. they believe, the public do, that government should protect their children. today's report lays out the challenge posed by childhood obesity. on average, in the final year of primary school, six out of 30 children will be obese, twice the number compared to 30 years ago. in england alone, 1.2 million children are clinically obese. this is feeding into diseases like type two diabetes, once very rare in c