pain killers
yes. especially pythons then can swallow humans whole depending on the size of the snake.x
No. It isn't safe for a child to swallow anything that isn't food.
If you swallow your own semen, then no, you can't get anything new. It's quite safe. It's fairly safe, too, to swallow someone else's semen.
no
yes, taste like chicken
Yes
yes, it is!
no
Yes it is safe usually to swallow a mouth or two of bath water. I wouldn't drink it though as it will contain unpleasant tastes of soap or shampoo !
If it is built by humans, maintained by humans, for the benifit of humans then it cannot be 100% safe
Yes.