Growing concerns about the health effects of food dyes have led to a new West Virginia law banning seven artificial food dyes — but what does this mean for those in other states? And where else ...

Robert F. Kennedy Jr. delivered a stark ultimatum to major food company CEOs in a closed-door meeting this week: Ban certain artificial dyes from your products or the government will do it for you.

Robert F. Kennedy Jr.'s health department announced plans to phase out petroleum-based synthetic dyes from the nation’s food supply in a bid to ramp up pressure on an industry he has often derided.

Ms. Belluz is a contributing Opinion writer covering health, nutrition and chronic illness. The health secretary, Robert F. Kennedy Jr., believes toxic chemicals in food are behind the U.S ...