Health information on Wikipedia read and required at least a university graduate reading level. The study's authors were concerned by Wikipedia's low readability, as people with autoimmune disorders often use Wikipedia to research their condition. A 2018 study evaluating 55 Wikipedia articles on neurosurgical topics found that they were significantly more difficult to read than the American Association of Neurological Surgeons's patient information articles, although both Wikipedia's articles and the AANS articles required a college reading level. Wikipedia co-founder Jimmy Wales has said that lack of health information increases preventable deaths in emerging markets and that health information from Wikipedia can improve community health.
Jimmy Wales traveled outside North America prior to the site's founding, his participation in the Wikipedia project has seen him flying internationally on a near-constant basis as its public face. When Larry Sanger left Wikipedia, Wales's approach was different from Sanger's. Wales was fairly hands-off. Despite involvement in other projects, Wales has denied intending to reduce his role within Wikipedia, telling "The New York Times" in 2008 that "Dialing down is not an option for me ... Not to be too dramatic about it, but, 'to create and distribute a free encyclopedia of the highest possible quality to every single person on