A new Swedish study conducted at the Sahlgrenska Cancer Center at the University of Gothenburg has shown that doses of acetylcysteine, an antioxidant supplement, increased growth of tumours in mice with early lung cancer. According to senior author Dr. Martin Bergo, "antioxidants caused the mice to die twice as fast, and the effect was dose-dependent." Although some critics argue that a study involving animals may not translate to producing similar results in humans, Peter Campbell, director of the Tumor Repository at the American Cancer Society points out that trials conducted on humans in the 1980s and 1990s did indicate that antioxidants increased the incidence of lung cancer in smokers.
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Study mentioned: Sayin V., et al. Antioxidants accelerate lung cancer progression in mice. Sci Transl Med. 2014 Jan 29.
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