It sounds like it's still on open question as to whether or not this is possible. This story was the one that came to mind when I say your comment and the post

It sounds like it's still on open question as to whether or not this is possible. This story was the one that came to mind when I say your comment and the post makes for a quick, interesting read. https://www.snopes.com/fact-check/lucille-ball-fillings-spies/ https://www.snopes.com/fact-check/lucille-ball-fillings-spie...