For decades, American school children have had cows’ milk foisted on them, along with artery-clogging cheese and other fat-laden animal products. Obesity and heart disease have become commonplace.

We spend billions of dollars to support an industry that costs us billions of dollars in health problems. It’s been estimated that we could save 70 percent on health care costs in the U.S. by shifting to a whole-foods, plant-based diet.

Consumers are getting the message, and the marketplace is adjusting. Demand for plant-based milks is expanding, and the consumption of cows’ milk is decreasing.

As our society evolves and changes, businesses must also change and adapt. New enterprises are created, and others become obsolete. With the introduction of automobiles, for example, horse and buggy proprietors, and buggy whip manufacturers, had to change.