Fortune has reported on McDonald’s controversial efforts to market to schools a documentary made about the weight lost by teacher John Cisna after only eating the restaurant’s food every day for six months.

One of McDonald’s current promotional efforts is being criticized over its involvement with schools. 
Fortune reports that the chain has been pitching educators the 20-minute documentary “540 Meals: Choices Make the Difference,” which features a teacher who lost almost 60 pounds by only eating McDonald’s food for 6 months. 
 John Cisna was reportedly inspired to make the film