Yes, it’s real. 
Discussion
Real in the sense that it happened, or real in the sense that RFK Jr said it?
He said it, so take it with a huge grain of salt. No medical proof of either claims, that I’ve seen. Who knows with him, though.
I believe the mercury poisoning claim more than the brain worms, but we know which one will stick with him. 😂
He may have been told that a tiny spot on a brain MRI could be neurocysticercosis.
https://www.nytimes.com/2024/05/08/us/rfk-jr-brain-health-memory-loss.html
Still miles better than our other options