Originally Posted by blickblocks
Yes and no. Their defenses are curling up and ejecting a poisonous liquid, but that's only if you hurt them or try to uncurl them forcefully. It wouldn't kill you if you even injested it though. Also, different breeds or personalities will affect the chances of a millie even doing that. Mine hasn't ever done it. I'm sure you'll be okay keeping a couple wild ones as pets.
They're nothing like Centipedes though.
What a cute pet! The peanut butter video is adorable. Perhaps I'd like a millipede.