If it is posts you want to unsubscribe from you can do this under settings (look below your avatar on the right and click "My Settings" You'll see an option with the threads you are subscribed to and can remove subscriptions there.
Best regards
Tord Glad Nordahl
Bouvet ASA, Norway
http://www.BizTalkAdmin.com |@tordeman
Please indicate ”Mark as Answer” if this post has answered the question.