There’s something to that. Obesity rates do peak in middle age (but they drop after that). But obesity rates don’t correlate well with average country age, and

There’s something to that. Obesity rates do peak in middle age (but they drop after that). But obesity rates don’t correlate well with average country age, and if you look at childhood obesity rates in Europe they have increased dramatically. Most European countries have childhood obesity rates close to the US childhood obesity rates in the early 90, many are much higher. The US has also increased in average age quite a bit as well.