I would go with the pretty discreet faction here. My family and close friends have seen me manic and got over that. I actually wish they were a little more interested in the topic, but they're used to my talking about my therapist or pdoc and are surprised and not interested if I mention meds. My former young doctor actually backed away from me when I told her (when I was more open). My new internist figured it out from the drug list (go him!) and he thought it was cool so must be very bored with more mundane diseases.

It's new people and work I would be very careful about. You don't want to get too intimate too quickly with new people anyway because their reaction will be to back away. As for work, never trust them at all. Things do get out. HR people are (not always, but often) snakes in the grass and you can't trust the company to keep you whatever laws there are.