Apply limits such as age group, language, etc. There is a great deal of useful health information on the Web, but locating it can be time-consuming and frustrating. Health professionals should be aware of these methods for locating reliable health information, either for themselves or for patients and families. Major professional organizations, consumer groups and government agencies maintain Web sites. The National Cancer Institute and the American Medical Association are only two examples among the many groups making use of Web-based methods to reach the public.
Search engines are special software programs designed to search the Web.
Users should retrieve and master the particular system's HELP material in order to learn efficient searching techniques. Web documents are not subject to peer review or even to ordinary copy editing. The authority or even the bona fides of the authors is not always evident. A good degree of reserve and even skepticism is needed Web information services are the Paradise of Free-text subject searching methods. It is the searcher's task to think of and use any word or phrase or symbol or abbreviation that can connote the concept in question.