Cold-Blooded Humans: Fact Or Fiction?

Cold blooded stopped being part of the mammalian family tree almost as soon as it diverged from other species 200 million years ago. The only known mammal that can survive at a large. Humans simply could not be cold blooded, not in the same way reptiles are. The brain consumes 20% of a typical humans daily caloric intake, or about 400 calories. But cold blooded creatures.

But, what if they weren't? How would our lives. The only time a cold human would switch to becoming a pursuit predator would be if it's a scorching day, which is known to increase metabolism in most cold blooded animals.