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What do you mean? The cancer part or the bio danger part?

yes

those ecologies are rilly rilly ALIEN.
some of those critters that live there
don't even use hemoglobin for blood.

their blood is not red...it's blue.

That is interesting, and I know its the case. But I still wouldn't trust it or potential alien bio-matter, to not cause harm.

it IS alien...for all intents and purposes it might as well have come from the seas of Titan.