When I saw the photograph I could scarcely believe it was the same country. A picture of Brighton beach in 1976, featured in the Guardian a few weeks ago, appeared to show an alien race. Almost everyone was slim. I mentioned it on social media, then went on holiday. When I returned, I found that people were still debating it. The heated discussion prompted me to read more. How have we grown so fat, so fast? To my astonishment, almost every explanation proposed in the thread turned out to be untrue.
We’re in a new age of obesity. How did it happen? You’d be surprised