The Obesity Epidemic in Numbers: 890 Million Adults, Adolescent Rates Quadrupled Since 1990, and Why BMI Is Still the Measure Everyone Uses
5 days ago
6 min read
Updated: 4 days ago
Calling obesity an epidemic is not rhetorical inflation. The word describes a rapid, population-wide change in a health condition, and that is precisely what the last three decades show: adult obesity more than doubled, adolescent obesity quadrupled, and childhood overweight went from eight percent to twenty. Those are changes in a single generation, far too fast for genetics to explain, which tells you immediately that the causes are environmental and the responses have to be as well. Understanding the scale and the definitions matters, because both the seriousness and the limitations of the standard measure are routinely misunderstood.
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