The U.S. Food and Drug Administration banned the dye known as Red 3 from the nation’s food supply in January, setting deadlines for stripping the brightly hued additive from candies and cough syrup, baked goods and frozen treats.

Do you still have candy hearts from Valentine’s Day that say “I love you”? Odds are, red dye No. 3 was used in the manufacturing process. The FDA has officially banned it. KYW medical editor Dr. Brian McDonough looks at what this means to all of us.