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This is a complex issue, but here is the basic.

For one, our food supply is now more processed and energy densed. It has more calories than less processed food source for an equivalent weight/volumn.

Another issue is society as the US has fewer and fewer jobs that require much physical activities.

So the combination of the 2 would make anyone obese if one doesn't adjust by eating less calories or increasing physical activities.

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13y ago

What else can I help you with?