There's a novel by T.C. Boyle about Dr. Kellog's Battle Creek Spa: https://www.goodreads.com/book/show/24738.The_Road_to_Wellville https://www.goodreads.com/boo

There's a novel by T.C. Boyle about Dr. Kellog's Battle Creek Spa: https://www.goodreads.com/book/show/24738.The_Road_to_Wellville https://www.goodreads.com/book/show/24738.The_Road_to_Wellvi... In case somebody's interested in a less accurate version of the story