Will RFK Jr.’s food dye ban drive up food prices? I hope so. I have no idea if artificial food dyes really are bad for you. Or if U.S. health secretary Robert Kennedy’s plan to ban some of them, announced in recent days,

That’s about to change. By order of Food and Drug Administration Commissioner Martin Makary and U.S. Health and Human Services Secretary Robert F. Kennedy Jr., dyes will likely be removed from food by the end of next year. We’re talking about petroleum-based dyes that are blue, green, yellow and red.

Kennedy's plan to eliminate the dyes needs the food companies to go along — he doesn't appear to have an enforcement mechanism in place.