http://www.health.com/health/m/gallery/ ... _2,00.html
"Mild dehydration is often masked as feelings of hunger, when really your body just needs fluids," says Alissa Rumsey, RD, spokesperson for the American Academy of Nutrition and Dietetics. The confusion happens in the hypothalamus, the part of the brain that regulates both appetite and thirst.
I went to my doctor to talk about this and he says that my body loses fluids at an abnormal rate for some reason. So now I'm taking electrolyte supplements and feel less hungry.