What Is Cachexia Why Cant I Eat?

Why cant i eat? - what is cachexia

Why can not I come?
Over the past two weeks, though I feel hungry, you can only eat a few bites and when I try to eat more vomit!

Ive also very tired and slept twelve hours a night, but I had a blood test a month ago and everything was ok ...

What is possible?

More details

2 hours ago
I have another ust Yahoo Answers, that these were symptoms of cachexia, which is a symptom of cancer and now I am very scared but I'm only 18 - Please tell me the probable!

I was just in another Yahoo Answers, that these were symptoms of cachexia, which is a symptom of cancer and now I am very scared but I'm only 18 - Please tell me the probable!

Pregnancy is not an option