The databases should be your first stop for reliable, trustworthy, and accurate information. The databases contain full-text articles from magazines, newspapers, and government reports. These are the sources that teachers want to see on your bibliographies.
When looking up information on health related issues always be aware of the source of your information. Is the information coming from a site that might be sponsored by a pharmaceutical company? Is the site run by medical professionals? What is the general purpose of the site? The government sponsors a number of excellent health related sites that rely heavily on research data, reports, and analysis.