New Study Challenges Common Beliefs About Obesity and Its Causes

TL;DR
A study comparing calorie expenditure across 34 countries finds similar daily calorie burn regardless of activity level, suggesting that diet, especially the consumption of ultra-processed foods, is the primary factor driving obesity, not lack of exercise.
- You can't outrun a bad diet. Food not lack of exercise fuels obesity, study finds NPR
- You’re Not Lazy – But Your Diet Might Be Making You Fat SciTechDaily
- Weight loss: Is diet or exercise more important? Medical News Today
- Active but still gaining weight? Duke scientists reveal why ScienceDaily
- What causes obesity? A major new study is upending common wisdom. The Washington Post
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