KANSAS CITY, Kan. (AP) — Kansas goes farther than any other state in limiting state and local agencies from influencing policy about food nutrition labels and portion sizes, according to a recent study.

A study published this month by New York University researcher Jennifer Pomeranz found that Kansas does more to limit the authority of local governments on food policy than any of the 13 other states with similar legislation, the Kansas News Service reported.

Kansas' pre-emption law, which went into effect in 2016, prevents local authorities from restricting portion sizes, taxing soda and sugar...