[867V309]

That means the atmospheric bomb testing gave cancer to 44 billion people (10 metric tons released).

10 metric tons of Pu?   link please  :)

The alpha radiation released by Pu239 is stopped by a piece of paper or a few inches of air.

once the Pu is in your lungs, exactly how does this work?

[palmer]

How does it get in my lungs? Where are the 44 billion cases of cancer? https://www2.clarku.edu/departments/marsh/projects/community/plutonium.pdf