Red Dye No. 40, a synthetic food dye that's used to achieve a bright crimson color in condiments and candy alike, has been a hot topic among policy makers and food safety advocates in the U.S ...

While the artificial food dyes Red Dye No. 3 and Red Dye No. 40 (commonly known as Red 40) are both derived from petroleum — as most artificial colors are — Red Dye No. 40 has already become a ...

this occurs when a tolerant host species amplifies a parasite's abundance, causing an indirect negative effect on a second, less tolerant host species. For example, the displacement of red ...