are we cooked?

Should we be cooking our food? Dr. Pottenger's experiments on cats in the 1930s say otherwise.

http://www.yelp.com/biz/taza-coffee-n-creme-richmond

Cats fed cooked food were physically and mentally sicker. And, in only 3 generations became completely infertile. Is it natural to cook our food? 

What foods do humans want that are raw? I don't think meat is one of them. We are not designed to kill other animals with our bear hands and teeth. We can pick fruit and some vgetables without the use of any tools. Do humans have a species specific diet? Or, are we somehow different from every other animal on Earth. We are the only animal that cooks its food. We are the only animal that eats nearly everything. Yet, we continue to become sicker and infertile ourselves. Perhaps, there is a link. George Malkmus believes there is https://youtu.be/5MaTkuCHSVM And, this guy does too https://youtu.be/rtaPhE-OXzE