some vitamins promote cancer growth

Antioxidants protect cells from chemically unstable molecules called reactive oxygen species (ROS), which can easily react with DNA and cause damage that leads to cancer. But Martin Bergo’s team at the University of Gothenburg showed that antioxidants neutralize ROS in tumors as well as healthy cells. “If we give extra antioxidants in the diet, we’re helping the tumor to reduce radicals that would otherwise block its growth,” Bergo said. “Then it can speed up all it wants.”

read more at http://www.the-scientist.com//?articles.view/articleNo/39022/title/Antioxidants-Speed-Up-Lung-Cancer/

List of antioxidants: http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Antioxidants