A curious piece turned up on the BBC the other day from their 'reality check' team. Health Secretary Matt Hancock wants to encourage people in England to make "better choices" around their alcohol, sugar, salt and fat intake, while getting more exercise. He is promising to spend more on public awareness initiatives to prevent obesity in the latest in a long line of of public health campaigns over the years. Three of the best-known health messages are eating five portions a day of fruit an...