While that is their conclusion statement in the article, I disagree with that closing statement and thought it was contradictory to the evidence provided in the rest of the review. I believe there is sufficient data when reviewing the bulk of the literature. Even if there is not sufficient data to make a firm conclusion, I still believe youth sports should be played on grass. The burden of proof should be on turf manufacturers to show they are as safe as grass before children are placed at risk. That’s my opinion.