Answer Each Question In Approximaxely 250 Words Reference Journal Articles Used

Answer each question in approximaxely 250 words.  Reference journal articles used in APA format.  

1.)Describe how epidemiological data influences changes in health practices. Provide an example and explain what data would be necessary to make a change in practice.

2.)Discuss ways hospitals use technology to gather patient and health care information, and how this information and data are used to direct patient care and outcomes.