Lucy talks about how allergies work, how to deal with them, and her own experiences with them. DISCLAIMER: she is not a medical professional.
Links for further exploration:
https://www.amazon.com/Food-Allergy-Fix-Evidence-Based-Desensitization/dp/1544511582
https://www.foodallergy.org/resources/oral-immunotherapy-oit
https://loudcloudhealth.com/resources/allergy-statistics
https://www.verywellhealth.com/how-do-allergies-work-5207258