Farm (Food) Policy
This article is a good review of the cross-bind between government policy for agriculture, food, health and the economy. It is a government of special interests and you give money to get money and you give money to get money and you give money to get money ..... Change would be disruptive and society would be very different but all indications are most people would be healthier. Don't hold your breath waiting for the change, it would not be good for your health.