Story says:
“could have”
Worms don’t eat brain
Here is the full quote:
A New York doctor, after reviewing a scan of his brain, told him that his health issues could be "caused by a worm that got into my brain and ate a portion of it and then died," Kennedy said in the 2012 deposition, which concerned a divorce from his second wife, Mary Richardson Kennedy. Robert Kennedy said at the time that his earning power had been negatively affected by the cognitive issues, the Times reported.
I'm guessing it's Ascaris lumbricoides. I learned about it in Parasitology classes. And I've seen it in bear feces.
It will burrow into any part of the body. I remember hearing of some socialite that had a huge on crawl out her nose during a fancy event.
I've seen them 6-8 inches long.