Talk:Ghoul/@comment-213.66.199.45-20150622191415/@comment-25047329-20150623043110

Uhh...hmm. Good question. I've been wondering about that myself. Most ghouls can survive on one body per month, and assuming it's meant a person of average hight and weight, then that seems moderate all things considering. Ghouls like Rize and Kaneki seem to be the exception though. Rize was the "Binge Eater", so maybe she had a rapid metabolism. Her Kagune was noted to have an above average vigor so maybe it burned a lot of energy. Kaneki I can imagine is the same way. He's never been referred to as a "binge eater" type, but it's apparent that he can consume a lot of he wants.

Maybe it's a physiological thing? Most ghouls have the same physical patterns, but every now and then some pop up with unusual traits. Like I think Irimi can apparently grow her nails on whim and shape them into claws. Which I have never seen another ghoul do. Maybe some ghouls, like Kaneki, have a bizarre digestive system that can let him cannibalize like no one's business, but others are much more limited.

It's hard to say though since cannibalism hasn't been explored in depth, nor ghoul physiology.