In the area of health care, this video program interviews Dr. Robert Dubois of the National Pharmaceutical Council to explain the basics of observational studies and randomized controlled trials. He discusses the advantages and disadvantages of each approach, providing useful examples in the video.

This video provides an overview of how observational studies like ASCERT are used to study heart-related issues as part of patient health care. It examines the combined datasets employed from the American College of Cardiology Foundation (ACCF) CathPCI registry, the Society of Thoracic Surgeons (STS) CABG database, and Medicare claims, and how these are used to inform the decision-making process.

This program examines a proposed study that seeks to research gene-environmental interactions, by focusing on how diseases occur based upon factors from assorted environmental settings, using a large number of individuals. It explores how the research would follow the participants of the study over time to better understand the subtle aspects of a disease, as related to environmental influences.

This video offers an excellent ancillary to chapter 12 of the book, by examining the uses and advantages of case-control and cohort studies.