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Originally Posted by NewPhin
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What do you mean disputing? There's nothing in article disputing that we need meat. It supports eating meat, just the healthy, free-range kind. And it says avoid bad foods like trans-fats. Nothing new or revolutionary there. And that we need an omega-6 to omega-3 ratio of 4:1 (although I believe it should be closer to 3:1).
EDIT: If you're referring to plant-eating, yes, our ancestors still ate plants. That's not in dispute, as the evidence is in our teeth. But what put us over the top is the ability to eat meat. Plants are low in carbs and calories. But since our brains use most of the calories we eat, to get bigger brains, you need more calories. That's where meat comes in. There's nothing about a low-carb diet that says "Don't eat vegetables." I eat lots of vegetables. But they're really low in calories. I just ate 2 cups of spinach. 50 calories. Not much. 6 oz of chicken breast, however, is 200 calories. Much more calorie-dense. But we certainly weren't eating plants like wheat and corn (which didn't even exist until about 10,000 years ago).
In any case, I agree with most of the premise of the article, but I don't think that person has any clue about how we actually evolved. Why are humans the only purely bipedal primates on the planet? One reason is because running on two legs is efficient. This allowed us to develop a unique form of hunting called "persistence" hunting. We wore down our prey. They couldn't run the long distances we could. Why would we need to evolve that type of hunting style if we only ate small animals? Small animals don't run that far for that long. Only big game does. And with big game comes fat, even if their stores of fat were low. Yes, humans ate small animals, but as "snacks." Big game was always the priority and still is.
I agree with eating free-range stuff. That's what I do unless it's completely unavoidable. And I also agree that people eat too much of everything, including fats. But it's much harder to overeat on fat than it is on carbs. And it doesn't take much fat to get sufficient calories from.