Comment on

• Increases in plasma carotenoid concentrations in response to a major dietary change in the women's healthy eating and living study.

  Pierce JP, Natarajan L, Sun S, Al-Delaimy W, Flatt SW, Kealey S, Rock CL, Thomson CA, Newman VA, Ritenbaugh C, Gold EB, Caan BJ; Women's Healthy Eating and Living Study Group. Pierce JP, et al. Cancer Epidemiol Biomarkers Prev. 2006 Oct;15(10):1886-92. doi: 10.1158/1055-9965.EPI-05-0928. Cancer Epidemiol Biomarkers Prev. 2006. PMID: 17035395 Clinical Trial.