I don’t have much to add but I’m sending you my best thoughts and positive vibes. I would be scared too

PS I also have found my cognitive abilities have been affected by meds
I definitely used to be smarter, in particular my memory was “better”.. but I think many things can affect this, meds in particular. I really hope you don’t have the dx you’re afraid of (from what little I know it’s “rare” under ? 65)
Please keep posting