Israeli and Canadian researchers have developed a diet that in a 12-week put 75% of children with Crohn’s disease into remission.  The diet comprised eggs, chicken, potatoes, apples, and mashed bananas and initially excluded wheat, dairy, fish, rice, and other fruits and vegetables.

https://www.medpagetoday.com/gastroenterology/inflammatoryboweldisease/80308

https://www.gastrojournal.org/article/S0016-5085(19)36714-9/fulltext?