j/k. Artists seem to be a normal enough bunch, although if it seems more of them have mental issues it could be they're just more open about it (since creating and sharing art, I think, does tend to necessitate an open-ness). Although creativity leading toward artistry could be a chemical thing that affects other processes as well.
Once I read an article stating that Sigmund Freud and other psychologists believed that the artists' inspiration came from childhood trauma and unsolved psychological conflits... And he saw artists as fundamentally special...
Now I gotta go, I have to cut off my nose to draw a self portrait