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flag Study in PNAS links obesity more to processed food intake than lack of exercise.

flag A recent study in PNAS challenges the notion that lack of exercise is the main cause of obesity, instead pointing to diet, particularly the consumption of ultraprocessed foods. flag Researchers analyzed data from over 4,000 people across 34 countries and found that energy expenditure did not significantly decrease with economic development. flag The study suggests that higher calorie intake, especially from processed foods, is more closely linked to obesity than reduced physical activity.

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