Lately I've been sick a lot. 3 months ago I started losing my appetite for everything and its continuously gotten worse. I don't eat breakfast or lunch and all I eat for dinner is small portions like a slice of pizza but after I eat anything I feel nauseous and I get really bad headaches almost everyday. My sleeping has been off too. I can sleep for 10 hours wake up and still feel exhausted. When I wake up in the morning I constantly feel sick also. I have no idea what's wrong and I'm afraid to tell my parents