Which of these is often called a "hunger hormone"?
Correct answer: Ghrelin

Queen
Process of elimination; never heard of ghrelin

Tremain White
Just reading about what makes a human hungry happens to make this one feel... ;-)

Talaith
new word to me, and o'i have studied this topic

Annjaha
And some say that diet food can make you more hungry because the chemicals in it raise the Greline.

Taliesin12
Never heard of this hormone.