NEW SPOILER FROM AUSIELLO
source and spoiler under cut
Question: What can you tell us about Booth's undiagnosed health issue on Bones?
Booth isn't going to be battling a brain tumor, right? David Boreanaz isn't leaving, is he? --Rachel
Ausiello: The answer to one of those two questions is yes
SOURCE:
Ask Ausiello. ------------------------------------------------------------------------
AUSIELLO, WHY ARE YOU MESSING WITH OUR HEADS?!