Read more at In this video: When presented with all four foods together on days 5, 10, 15 and 35 of the study, both groups consistently favored fish. Credit: Emma Inzani Subscribe: Join Science X channel to support our mission: Thank you for helping our YouTube channel reach new heights! Hitting subscribe aids us in our mission to bring you the latest and greatest research news in science, medicine and technology.
Hide player controls
Hide resume playing