The U.S. FDA is reportedly considering a ban on the additive Red 3. Here’s what experts do—and don’t—know about how food dyes ...

In Canada, more than 850 additives are used by food manufacturers to prolong shelf life, increase food safety, improve taste, texture and/or appearance, and enhance nutritional value ...

Any time two different genes contribute to a single phenotype and their effects are not merely additive, those genes are said to be epistatic. Epistasis is an interaction at the phenotypic level ...