I would rather use a nanite hive and use the oxygenation nanites so I can go to a meet and just STOP BREATHING. Then use cybereyes to STOP BLINKING. Now, just stare unendingly at the Johnson. Freaks 'em out every time.
Anyway, if I were going to make permanent drugs, I'd grab a street drug and roleplay a major junkie character, and then decide what my group role is after that. I wouldn't build a character's statline around that implant, in other words.