Following the ban of red dye No. 3 in the United States, experts weigh in on the potential health risks of red dye No. 40, yellow dye No. 5 and others.

Discover what FDA's red dye ban means for your food safety. Learn which synthetic colors remain in your favorite foods and their potential health risks.

T he U.S. Food and Drug Administration has banned the use of red dye No. 3 in foods, more than three decades after researchers discovered its link to cancer in rodents and to worsened attention deficit and hyperactivity disorder and other behavioral symptoms. The dye is already banned from foods in the European Union, New Zealand and Australia.

The U.S. Food and Drug Administration banned Red No. 3 last dye, leading those to think Red Dye No. 40 could be next. How are these dyes different?