article writing needed

The articles must be unique. No copied, duplicated or existing work will be accepted. All articles must be newly created by you. They must be original. Don't copy and paste from other web sites. Don't use copyrighted material. All work will be checked through [login to view URL] and other copyright checking programs. Discovery of any duplication or use of copyrighted material will result in automatic disqualification from any further assignments. Articles must be between 400-600 words. We will supply the topic and keywords. Keyword density should be from 1-3%. The articles must be free from typographical errors, spelling errors, and grammatically correct for the North American reading audience. The articles should be informative, easy to read, fun and engaging. I need 20 articles (health related)