For President Donald Trump , McDonalds is to food as Fox News is to TV channels just the best in the field. Trump has praised the fast food giants great products and general cleanliness. Now a new book suggests theres another, darker factor fueling his McDonalds habit.

In a preview of his tell-all book, Fire and Fury: Inside the Trump White House, journalist Michael Wolff claims that Trumps longtime fear of being poisoned has affected his dining choices.

Its one reason why he liked to eat at McDonaldsnobody knew he was coming and the food was safely premade, Wolff wrote in New York Magazine on Wednesday.