The standard answer to "I have a high traffic site in a vertical which is awash in cash and AdSense is not an option" is affiliate ads. In particular, if your site is trusted, you can bolt on a section with more commercially oriented content (such as, e.g., reviews of exercise- or diet-related info products) and rank on the strength of trust built through your non-commercial content.

You can do more or less of this depending on how comfortable you are with slinging snake oil. For example, I note you have content like http://healthlifeandstuff.com/2010/07/acai-berry-and-weight-... Presumably if you've looked into that you understand, yep, snake oil. Now previously, what was happening with your AdWords ads was you were a) ranking for snake oil and b) referring people to advertisers of snake oil who then c) did rebill fraud on them.

Another option is to use one of the numerous Wordpress plugins to do your own self-hosted ad system, and either a) let people buy ads on your site (they'll mostly be affiliates) at whatever rates you specify or b) either use provided creatives or make your own for affiliate products which you are comfortable selling.