Comment Re:kewl story bro, but these drugs aren't for them (Score 1) 119
This is key: My dog would eat roast beef until they were stuffed full no question, but they don't have easy access to it.
Humans evolved in an environment where sweets were very rare and also contained important vitamins, so on the lucky occasion they found fruit they would really want to eat it.
We are not designed for 24/7/365 supplies of sugar and fat.
That said, back in the day we ate a horrible diet, sugar drinks, twinkies, McDs, etc, and were all skinny as a rail. I think pre-internet kids got about 1000 times more exercise than modern kids do.