YouTube/ASAPScience We don't need science to tell us this looks unappetizing.

So why are some societies grappling with a serious obesity problem? Well, if the very smart people at ASAPScience are to be believed, it’s because buried deep inside our otherwise sophisticated brains lurks a caveman hangover running roughshod over an our built-in mechanism to curb gluttony.

(Video via ASAPScience)

As you can see, back in the day when we were running barefoot through the woods, evading sabre tooth tigers and the like in search of that next meal, we didn’t just find cakes and Baconators lying around. That kind of luxury had to be earned.

As an aside, ASAPScience is a channel very much worth subscribing to. For further proof, here is their previous whiteboard lesson on the power of music.

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