Paula,
My friend used it:
http://www.helium.com/user/show/35654, but now he is writing Breast cancer (spouse's story) articles for pay at another site.
IMO, might be good to establish a presence somewhere where readers know they can find you and where you can attract other readers. Then add another "regular hangout" and do the same at both, but with fresh material for each. (I'm just guessing about all of this.) What I'm thinking is this: if you write in more than one style, it makes sense to attract a following at places where each type of reader hangs out. I would also think that it makes sense to do what you can manage to keep current.
Nadine