but it pattern matches *way* too closely to how other foods are seen by the disordered brain. I suspect that there's a similar reason you see so many gluten-free eaters among those w/ eating disorders, too — bread is scary and therefore becomes truly deeply felt as "gross"
so, there was a problem when these girls would go to eating disorder treatment centers (think of rehab, but like... for eating disorders). the vast majority of the time, the staff would not allow them to stay vegan. they were given food to eat, and that included animal products.