Hmm... if it did cause serious problems, how could we be unaware of them? Breeders have been using plastic containers for years. One would think that if they were capable of causing serious problems... cancer or what have you, then it surely would have been noticed by now.
Even then, let's say that long term exposure does cause problems. Say my BP starts developing tumors after 40 years in captivity. He's still doing MUCH better than he would have been in nature. And who's to say other enclosures aren't worse? One has to weigh the pros and cons of all options and then select the choice that best fits them and their pet. A glass cage can break, is harder to control temp and humidity, and is more difficult to keep clean. Who's to say those qualities won't diminish your snake's lifespan or quality of life?










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