A Catalyst article about food additives. Some additives are natural and some are manufactured by the chemical industry. Some, like vitamin C, can come from either natural or artificial sources. As with every other component of food all additives are chemicals. Even organic food can contain a certain number of additives; this article looks at what additives are and whether they affect how people behave.
This article is from Catalyst: Secondary Science Review 2008, Volume 18, Issue 3.
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