Why did the FDA ban the use of Red Dye No. 3 and why is it still available in Canada? Guest co-host Pedro joins Dr. Chris Labos to explain and discuss how we should think about food colourings in general. Does the fact that can cause cancer in rats mean anything for human health? And what about the alleged ADHD link? Also, there's a Winnie the Pooh reference at the end.

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Assistant researcher: Aigul Zaripova, MD

Editor: Robyn Flynn

Theme music: "Fall of the Ocean Queen" by Joseph Hackl

Rod of Asclepius designed by Kamil J. Przybos

Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer

Obviously, Chris not your doctor (probably). This podcast is not medical advice for you; it is what we call information.

References:

The FDA announcement

https://www.fda.gov/industry/color-additives/fdc-red-no-3

Study showing a link between Red No. 3 and thyroid cancer in rats

https://onlinelibrary.wiley.com/doi/10.1111/j.1349-7006.1988.tb01593.x

The link between artificial food colourings and attention deficit hyperactivity disorder https://pmc.ncbi.nlm.nih.gov/articles/PMC3441937/

List of approved food colors in Canada

https://inspection.canada.ca/en/food-labels/labelling/industry/food-additives/food-colours