Board Thread:Online Discussion/@comment-98.28.168.149-20130122214134/@comment-8267436-20130416135419

Paul Sage mentions this at about 5:05  in this video:

http://www.youtube.com/watch?v=YlEipFtHw7o

Apparently, becoming a werebeast is linked to ones choice of perks. This may come to change before release, though.