This is an example of something you aren't going to disprove in a large study. It is known that people relying too heavily on processed food makers suffer defic

This is an example of something you aren't going to disprove in a large study. It is known that people relying too heavily on processed food makers suffer deficiencies and a reasonable hypothesis that food processing working with less choices will raise the rates of some deficiencies. A change on the order of 1 in 10 000 vegans is not going to show up in an affordable study but in something suspiciously close to an opinion piece in a rag newspaper.