Seventh-day Adventists — Protestants who observe the Sabbath on Saturday — embrace a literal interpretation of the Bible. There are more than 18 million Seventh-day Adventists globally and an estimated 1.2 million in North America.  

Carson has risen past Trump in several recent polls in Iowa, which holds the first caucuses in the nation. According to a Monmouth University poll released Monday, Carson holds a 14-point lead over Trump. He also bests Trump 36 percent to 18 percent among evangelical Christian voters.

Some experts told The Hill that they believe Trump is clearly hoping to win political points with evangelicals but is making a tactical mistake.

Susan MacManus, a political science professor at the University of South Florida, said the business mogul is “going down a treacherous path because people of faith don’t like people bashing other people of faith.” But, she added, in reference to Trump, “They wouldn’t do it unless someone were telling them it would work.”