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When antioxidants are bad

Reactive oxygen species (ROS) get a bad press, as evidenced by the notable trend in the use of dietary and cosmetic antioxidants. New work suggests, however, that ROS might have a role in mitigating certain cancers. See Letter p.106

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Figure 1: The right balance of reactive oxygen species (ROS).


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Correspondence to Rushika M. Perera or Nabeel Bardeesy.

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Perera, R., Bardeesy, N. When antioxidants are bad. Nature 475, 43–44 (2011).

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