I have an 8 month old male veiled chameleon. We have had him since October 2009. For about the last two weeks he has been hanging upside down supporting his weight with his back legs and tail. He will spend probably 95% of his time like this. He has also been spending a lot of time towards the bottom of his cage (away from the heat lamp). I took him to the vet last week and still don't have any answers. We are treating him profilactively for worms/parasites and I was given Emeraid II solution to help maintain hydration/calories. He is still eating, but much smaller amounts. Any ideas as to why he's behaving this way?