Pop culture fans who’ve watched TV during the day might recognize the name Dr. Oz. However, many are unsure what exactly he does or what he is best known for. In late 2021, the controversial host’s name made headlines for a whole new reason when it announced that it had entered the Pennsylvania Senate race. The months since the announcement have led to more discoveries about Dr. Oz, including why his critics are pointing fingers at Oprah Winfrey for helping shed any light on him in the first place.