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One concern repeatedly raised by critics who don't want the FDA to give the transgenic fish the green light: What would happen if these fish got out of the land-based facilities where they're grown and escaped into the wild? Would genetically modified salmon push out their wild counterparts or permanently alter habitat? In a review paper published this month in the journal BioScience, scientists tackle that very question. Robert H. Devlin, a scientist at Fisheries and Oceans Canada, led a team that reviewed more than 80 studies analyzing growth, behavior and other trait differences between genetically modified and unaltered fish. The scientists used this to predict what might happen if fish with modified traits were unleashed in nature.

This 22 min video provides insight into the benefits of bioscience research and the important role laboratory animals play in the scientific process. It introduces viewers to four people age 55 and older who have benefited from medical advances made possible by years of animal-based research. Viewers also meet four scientists who are helping make these advances a reality