Hi All, In response to the American Cancer Society - I am not quite sure what constitutes 'not enough research' on a subject. But to go back to them armed, here is what I have. If you want the information on research, the cheapest is LLLI's Facts About Breastfeeding #545g a two page sheet(done yearly) on current research results concerning breastfeeding, next is a subscription to Breastfeeding Abstracts a quarterly publication on all research concerning breastfeeding with selected abstracts and the most expensive choice would be to go to LLLI's Breastfeeding Reference Library & Database (this choice would give you the most complete list). I do have one question for the American Cancer Society, they seem to have no problem what-so-ever stating that the bearing of children in the 20s (best) or at all is a factor to reduce one's risk of getting breast cancer, what is their hangup with even mentioning breastfeeding? I've always wondered about that (and also the fact that in any health issue, not smoking is almost always mentioned, but breastfeeding is almost never mentioned!?!) Anyway here is what I have: Romieu, I. et al. Breast Cancer and Lactation history in Mexican women. Am J Epidemiol 1996; 143(6): 543-52. Michaels, KB et al. Prospective assessment of breastfeeding and breast cancer incidence among 89887 women. Lancet 1996; 347;431-36. Hirose, K. et al. A large-scale, hospital-based case-control study of risk factors of breast cancer according to menopausal status. Jpn J Cancer Res 1995; 86:146-54. Brinton, LA et al. Breastfeeding and Breast Cancer risk. Cancer Causes and Control 1995; 6:199-208. Yang, C. History of Lactation and breast cancer risk. Am J Epidemiol 1993; 138(12): 1050-56. Newcomb, P. et al. Lactation and a reduced risk of premenopausal breast cancer. N Engl J Med 1994; 330(2):81-87. Freudenheim, J et al. Exposure to breast milk in infancy and the risk of breast cancer. Epidemiology 1994; 5(3):324-31. Chilvers C. Breastfeeding and risk of breast cancer in young women, United Kingdom National Case-Control Study Group. BMJ 1993; 307:17-20. Wolff, M, et al. Blood levels of organochlorine residues and risk of breast cancer. J Nat Cancer Inst 1993; 85(8):648-52. Yoo, K, et al. Independent protective effect of lactation against breast cancer: A case-control study in Japan. Am J Epidemiol 1992; 135(7): 726-33. Reuter K, et al. Risk factors for breast cancer in women undergoing mammography. Am J Roentgenol 1992; 158(2):273-78. Leslie Ward Vine Grove, KY (5 miles from Fort Knox and south of Louisville & the Ohio River)