 Krakauer subsequently postulated that the seeds were stored wet in a plastic bag, which may have created a toxic by-product.Krakauer was later validated, to a certain extent.Krakauer explains that he came across the research of Ronald Hamilton, who had concluded that the neurotoxin oxalyldiaminopropionic acid (ODAP) in the wild potato seed was responsible for a degenerative disease known as lathyrism.