Kia Rae discusses the history of a couple fad diets

https://www.news-medical.net/amp/health/History-of-the-Ketogenic-Diet.aspx

https://www.menshealth.com/nutrition/a25775330/keto-diet-history/

https://health.clevelandclinic.org/what-is-the-atkins-diet-and-is-it-healthy/