Hi There,
Since your's is a health related project, i am quite interested in working with you, BECAUSE I HAVE BEEN INTO WRITING CONTENT FOR SUCH WEBSITES IN THE PAST.
Moreover i am well versed with SEO and have been offering content to my clients where i select kws on the basis of their search count & competition. I can very well understand you requirements. Please check your PMB for my sample articles.
Regards,
Sheetal