The Wormhole wrote:
I think my point still stands that an alien parasite totally wrecking someone's brain might be beyond the abilities of Khan's blood to heal.
I wasn't debating that bit. I was pointing out that the concept wasn't so "magic" even in today's news.
Totally agree that Marla's madness couldn't be reversed/restored after that Ceti eel chomped through her cerebral cortex.