73 questions with a nutrition professor

73 questions with a nutrition professor

Is organic food worth purchasing? If you have ever wondered about the answer to this question, or if you have any other questions about organic food, this video is for you! We asked a nutrition expert 73 questions about the evidence behind organic foods and nutrition. The major outcomes include understanding what makes foods organic or non-organic, learning the cause of nutrition variances between organic and non-organic foods and discovering how pesticides affect health and disease.

This video was made by McMaster University Demystifying Medicine students Rakhshan Kamran, Nicole Song, Ryan Lee and Apinaya Paskaran

Copyright McMaster University 2018


Bahlai, C. A., Xue, Y., McCreary, C. M., Schaafsma, A. W., & Hallett, R. H. (2010). Choosing Organic Pesticides over Synthetic Pesticides May Not Effectively Mitigate Environmental Risk in Soybeans. PLOS ONE, 5(6), e11250.https://doi.org/10.1371/journal.pone.0011250

Baker, B., Benbrook, C., Groth, E., Benbrook, K. (2002). Pesticide residues in conventional, integrated pest management (IPM)-grown and organic foods: insights from three U.S. data sets. Food Additives and Contaminants, 19(5), 427-446.

Bourn, D., & Prescott, J. (2002). A comparison of the nutritional value, sensory qualities, and food safety of organically and conventionally produced foods. Critical Reviews in Food Science and Nutrition, 42(1), 1–34. https://doi.org/10.1080/10408690290825439

Dangour, A. D., Dodhia, S. K., Hayter, A., Allen, E., Lock, K., & Uauy, R. (2009). Nutritional quality of organic foods: a systematic review. The American Journal of Clinical Nutrition, 90(3), 680–685. https://doi.org/10.3945/ajcn.2009.28041

Eskine, K. J. (2013). Wholesome Foods and Wholesome Morals?: Organic Foods Reduce Prosocial Behavior and Harshen Moral Judgments. Social Psychological and Personality Science, 4(2), 251–254. https://doi.org/10.1177/1948550612447114

Forman, J., Silverstein, J., Nutrition, C. O., & Health, C. on E. (2012). Organic Foods: Health and Environmental Advantages and Disadvantages. Pediatrics,130(5), e1406–e1415.https://doi.org/10.1542/peds.2012-2579

Food Standards Agency. McCance and Widdowson’s the composition of foods. 6th summary edition. Cambridge, United Kingdom: Royal Society of Chemistry, 2002.

Gilsenan, C., Burke, R., & Barry-Ryan, C. (2011). Do Organic Cherry Vine Tomatoes Taste Better Than Conventional Cherry Vine Tomatoes? A Sensory and Instrumental Comparative Study from Ireland. Dublin Institute of Technology Food Science Commons.

goop. Why buying and eating organic matters. Retrieved from: https://goop.com/wellness/health/why-buying-and-eating-organic-matters/

Krol, W.J., Arsenault, T.L., Pylypiw, H.M. Jr., Incorvia, MJ. (2000). Reduction of pesticide residues on produce by rinsing. Journal of Agricultural and Food Chemistry, 48(8), 4666-4670.

Smith-Spangler, C., Brandeau, M. L., Hunter, G. E., Bavinger, J. C., Pearson, M., Eschbach, P. J., … Bravata, D. M. (2012). Are organic foods safer or healthier than conventional alternatives?: a systematic review. Annals of Internal Medicine, 157(5), 348–366.https://doi.org/10.7326/0003-4819-157-5-201209040-00007

US Department of Agriculture, Agricultural Marketing Service. National organic program. Available at: http://www.ams.usda.gov/AMSv1.0/nop

Vicini, J., Etherton, T., Kris-Etherton, P. (2008). Survey of retail milk composition as affected by label claims regarding farm-management practices. Journal of the American Dietetic Association, 108(7), 1198-1203.


  1. Lyfe Thingz on September 17, 2021 at 11:50 pm

    Summary of video= organic, organic, organic…………………..organic x70

  2. Biomeducated on September 18, 2021 at 12:04 am

    Interesting! In Europe, organic is also more expensive, but I think the price differences between org vs non-org are even higher in the US, no? Also, great concept to trigger students and spread information, this Demystifying Medicine channel. And one last thing, I just have to say it: I was truly charmed by your smile, Professor Pritchard!

  3. Rakhshan Kamran on September 18, 2021 at 12:25 am

    Such a fun video :). And really helpful facts!!

  4. Aishwarya Pradhan on September 18, 2021 at 12:41 am

    I am a nutrition student from india and want to know about scholarships for masters at mcmaster ,if there are any ? Also can I have mail id of this professor and nice video