Six out of every 30 children are obese and it’s because they are being “flooded” with junk food, according to Professor Dame Sally Davies. She has suggested a number of measures to tackle the growing crisis, but the one that has sparked the most debate is her proposal to ban snacking on certain public transport. here was a caveat to her proposal:

“Prohibit eating and drinking on urban public transport, except fresh water, breastfeeding and for medical conditions.”