If you have the SEO Ultimate plugin installed you may have an issue with your SEO ironically. It’s a quick and easy fix, if you go to the plugin options under Open Graph.
Then under the sub-tab Default Values
Make sure the Open Graph Type for Pages is set to None.
Otherwise Open Graph will treat the page like a post and add post meta data on your pages. This will lower your rankings in Google as Google will treat your pages like posts and downgrade them.