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The Internet is a rich source of information, but not all websites can be trusted, and all should be evaluated before being used for research. The CRAAP Test is a good evaluation tool; use it especially on .com and .org sites (.gov and .edu sites are the most trustworthy). Below are a few reputable .gov sites related to human disease and treatment that you should find useful.
"The CDC is one of the major operating components of the Department of Health and Human Services. (It) works 24/7 to protect America from health, safety and security threats, both foreign and in the U.S. Whether diseases start at home or abroad, are chronic or acute, curable or preventable, human error or deliberate attack, CDC fights disease and supports communities and citizens to do the same."
"The National Human Genome Research Institute began as the National Center for Human Genome Research (NCHGR), which was established in 1989 to carry out the role of the National Institutes of Health (NIH) in the International Human Genome Project (HGP). The HGP was developed in collaboration with the United States Department of Energy and begun in 1990 to map the human genome... With the human genome sequence complete since April 2003, scientists around the world have access to a database that greatly facilitates and accelerates the pace of biomedical research."
The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the nation’s medical research agency — making important discoveries that improve health and save lives.
"The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, has been a center of information innovation since its founding in 1836. The world’s largest biomedical library, NLM maintains and makes available a vast print collection and produces electronic information resources on a wide range of topics that are searched billions of times each year by millions of people around the globe."