[dafneee]

>It's absolutely not

So why do we never find obese people among starving conditions (famines, concentrations camps, etc)

[pjc50]

Because they're starving and their calories are externally constrained. So what?

[guerrilla]

Because it's a necessary but not sufficient condition. You can't store fat if you don't get enough calories, but many people don't store fat at the same rate others do for the same overage.