Baked Alaskan: Is that the "Walnut Theme"? From the Stephanie's comments in the User comments there, I believe version 1.7.0 does not exhibit that behaviour.
Maybe you should update it? Try Tools/Add-ons, select Themes and click "Find Updates"
(hide) If you only look at some of the discussion boards on a regular basis you can add them to your favourite boards list by going to the Board page and clicking "Add to my favourite boards". (pauloaguia) (show all tips)