Healthfinder.gov is a site supported by the U.S. Department of Health & Human Services that contains an A-Z list of health topics, a guide for finding doctors and other services, and health news.
LearntobeHealthy.org is an online health science learning site designed to help educators and parents communicate important health concepts to students. The site contains comprehensive lesson plans, interactive games and activities, webquests and more. You do need to sign up (for free) to access some of the tools.
If you try searching Google Scholar below, you may find some scholarly full-text materials available for free. You can also check to see if we have them for free via one of our research databases. Go to Journal Locator and type in the journal title in which the article was published.