i get these tingling sensations all the time, actually! they happen in random spots all over my body. sometimes i think i'm just hyperaware of whats happening with my body and these minor tingling sensations, which kind of feel like someone put the head of a sharp pin against my skin, are...
I have been talking to a few people lately with BFS and we found out we all did LSD in the past. We also suffer from flashbacks and other drug related problems.
Just a longshot, but how many of us BFS'ers have done LSD or hallucinagenic drugs?