Encyclopedias and handbooks are always good places to start your research. They provide overviews of topics and general informaton about all aspects of nutrition. Another important source health information are websites published by government agencies or professional organizations. They tend to have current health news and information for patients, families, and consumers.
Peer-review is a process of quality control where experts evaluate each other's work, provide comments, and recommend revisions before new research is published. Hostos Library licenses many databases that provide peer-reviewed, scientific articles. Many articles that describe publicly funded research are freely available through PubMed, the National Library of Medicine's database for medical research.