(INQUISITR) — President Obama owes his popularity among youth to one (fictional) person: Harry Potter.

According to a media study by a professor at the University of Vermont, the seven Harry Potter books played a “not insignificant” role in how young people decided between President Obama and his various political opponents over the last few elections.

Political science professor Anthony Gierzynski claims that author J.K. Rowling “brainwashed” millenials with specific moral lessons that made the Democratic candidate more appealing than his rivals.

“The lessons fans internalized about tolerance, diversity, violence, torture, skepticism and authority made the Democratic Party and Barack Obama more appealing to fans of Harry Potter in the current political environment,” Gierzynski said in an email to The College Fix.

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