David Rakoff died on August 9, 2012. He’d appeared on This American Life 25 times, first in 1996, during the third month of the show; his last appearance was just a few weeks before he died.

A man who believes he's turning into a cockroach reaches out to a world famous doctor for advice. Except the doctor will only respond in rhyme.

David Rakoff tells this story, about the invisible processes that can happen inside our bodies...and the visible effects they eventually have. David died three months after this performance, in August 2012.