About.com, a subsidiary of the New York Times Company, is advertising a need for health writers. Compensation is based on page views. Guides are freelancers who set their own schedule and maintain a guide site that includes original content, a blog, a directory of "the best content in your topic," and a bio page.
All guides, no matter what, make a minimum of $725 a month. This is a great gig if you can get it. It is very competitive. For more info and to apply, visit About.com's Be a Guide page. Good luck!