Not hungry

So lately I havent been eating, I wont go into detail as to why but just know I havent been able to eat as of late, and I've stopped being hungry... kinda. At first I was VERY hungry and suffered from awful migraines that had me sent home from school, but now I'm less hungry with less migraines. I mean, I'm still hungry and I can feel my body wanting food but I myself dont want to eat. I just get disgusted at the sight or taste of food now. I want to eat but I cant. Does this make any sense? Why is this happening and what can I do about it?