Allodoxaphobia- Fear of opinions.
trollers have this
Trollers love opinions, it is what allows them to piss people off.
Mnemophobia - Fear of memories.
The fact that if something traumatizing happens but I will NEVER be able to get it out of my head scares the stuff out of me, and I also horribly fear losing my memories.
Meningitiophobia - Fear of brain disease.
More accurately, fear of brain damage.