Not just anti-depressants. I would also be looking at serial divorces, serial restraining orders (either directions), membership in radical organizations, etc. BTW, what I have listed are of course disqualifying criteria. After one very bad experience (she went extreme psycho), I would almost prefer running a background check of the same magnitude of a Q clearance.
I know what you mean. They have guy psycho's too. It's not just online either. There are some really bad people out there lol.