Its just the withdrawl from not smoking weed as much as you use to, i didnt smoke weed for like 12 hours and i felt the same way, loss of appiete like you knwo you want to eat but your stomach just wont let you, you take 2 bites and you feel few, im still feeling the effects of it and im just barely gettin back on a good diet, but mine is also in combanation with something that could be an ulsur, im going monday to find out