We Eat Meat, Because We're Supposed To

It's coded in our genes. And it's good for us too.

About 500,000 years ago the human gene apoE mutated to allow us to eat more raw meat without getting sick from contamination. (Hmm...) 226,000 years later another gene mutation helped us to break down fats better. It also helped us move cholesterol to our brain cells where it made our minds more powerful. That's right, meat even made us smarter.