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The immune system does rely partly on the generation of ROS to kill bacteria and other invaders. So if these ROS were mopped up by excessive levels of antioxidants, it could theoretically reduce the response of the immune system to the cancer growth, as well as reduce the effectiveness of certain chemotherapeutic agents. Has this been tested in animal cancer models?

Posted by chris aylmer
18 January 2013 | 18h01

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Back to: Multivitamins and antioxidants may promote cancer growth in late-stage patients, warns Nobel laureate

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