by Heather Granato 10/29/2007 TUCSON, Ariz.—Higher plasma levels of carotenoids may help reduce oxidative stress in women previously treated for breast cancer (Cancer Epidemiol Biomarker Prev. 2007;16(10):2008–15). Researchers from the University of Arizona and Arizona Cancer Center conducted an ancillary study on 207 postmenopausal breast cancer survivors from the Women’s Healthy Eating and Living Study.…