Sorry, I should have been clearer - two of the links in your signature I clicked on, the ones for eye exam and debt assessment. I realize these are not part of your weight loss blog but presumably are part of your online strategies.
If you can't replicate it in the U.S. (I'm in the Caribbean) so it's my fault for living somewhere I shouldn't
Here's where they go
theaffiliated.net/index.asp?aff_id=CD20&country=KY
OK, now that I've cleared that up, and apologized once again for confusing the issue, I still think you are going to struggle with a free blog in such a competitive niche.
Most of your blogs may have good Google ranking, but I'm not sure how you conclude that this blog does because you have no page rank at present. Do you mean you rank well for particular keyword searches? A quick look at the stats provided for the url of the weight loss blog over at Smart Page Rank will give you a quick overall impression of its standing.
Smart PageRank - check & monitor PR
Confusion with the other URL's notwithstanding I hope you understand that my criticism was meant to be constructive, not a flame or personal attack on you.
Mo