How have global databases had an impact on health research? A. Global databases allow doctors and researchers to share information so they can chart health trends and predict how illnesses will spread. B. Global databases are used within a health care facility to keep track of all patients at the facility, but they do not keep any data from other facilities. C. Global databases allow doctors and researchers located in the United States to share information and gain a greater understanding of disease processes. D. Global databases keep a record of global illnesses, but they do not provide any socioeconomic or demographic information for the people who have those illnesses