Are we calling too many fat people obese?

Over the years I have learned not to take BMI measurements too seriously. I’m pretty healthy, touch wood, and fit, and don’t look remarkably like a porker. But by BMI standards, I am very definitely “overweight”, once or twice even bordering on the dreaded orange swathe of the chart that signifies obese (“severely obese” is shown in a screaming red).

When I was younger and vainer I was more than once crushed by the chart’s verdict. I needn’t have bothered. What an as-good-as arbitrary crunch of simple metrics means for people of different propensities and builds is next to zilch. Even if I’d starved myself for months, I’d have been heavier than my equivalent who does not have large wrist and hip bones and sturdy thighs, nor the belly that has hung on in there since early childhood.