(1) Willey, J.. Prescott's Microbiology. McGraw-Hill Higher Education, 11th ed. (2020), c.34.

(2) Thursby, Elizabeth, and Nathalie Juge. “Introduction to the human gut microbiota.” The Biochemical journal vol. 474,11 1823-1836. 16 May. 2017, doi:10.1042/BCJ20160510

(3) Jessica Cording, M.S. “Want To Avoid Gas & Bloating At Holiday Parties? Don't Eat This Healthy Food.” Mindbodygreen, Mindbodygreen, 29 Sept. 2020,www.mindbodygreen.com/articles/how-cruciferous-vegetables-can-cause-gas-and-bloating .

(4) John P. Cunha, DO. “Low FODMAP Diet for IBS: List of Foods to Eat and Avoid.” MedicineNet, MedicineNet, 17 Feb. 2021, www.medicinenet.com/low_fodmap_diet_list_of_foods_to_eat_and_avoid/article.htm#:~:text=FODMAPs%20are%20not%20absorbed%20well,Gas.

(5) Jessica Cording, M.S. et al. “Want To Avoid Gas & Bloating At Holiday Parties? Don't Eat This Healthy Food.” Mindbodygreen, Mindbodygreen, 29 Sept. 2020, www.mindbodygreen.com/articles/how-cruciferous-vegetables-can-cause-gas-and-bloating.

(6) Doucleff, Michaeleen. “Chowing down on Meat, Dairy Alters Gut Bacteria a Lot, and Quickly.” NPR, NPR, 11 Dec. 2013, www.npr.org/sections/thesalt/2013/12/10/250007042/chowing-down-on-meat-and-dairy-alters-gut-bacteria-a-lot-and-quickly.

(7)Villines, Zawn. “The Worst Foods for Gut Health.” Medical News Today, MediLexicon International, 5 Sept. 2019, www.medicalnewstoday.com/articles/326256#:~:text=A%202019%20study%20suggested%20that,of%20heart%20attack%20and%20stroke.

(8) Ana Maldonado-Contreras Assistant Professor of Microbiology and Physiological Systems. “A Healthy Microbiome Builds a Strong Immune System That Could Help Defeat Covid-19.” The Conversation, 25 May 2021, theconversation.com/a-healthy-microbiome-builds-a-strong-immune-system-that-could-help-defeat-covid-19-145668.

(9) “How Your Gut Affects Your Immune System: A Symbiotic Relationship.” GilbertLab, 8 June 2021, gilbertlab.com/immune-system/gut-microbiome-symbiosis/.

(10) Zanteson, Lori. “Gut Health and Immunity - It's All about the Good Bacteria That Can Help Fight Disease.” Today's Dietitian, 2012, www.todaysdietitian.com/newarchives/060112p58.shtml.