There is excellent research methodology for defining what constitutes one breastfeed. It is by Virginia Vitzthum, Ph.D. Any on-line database search on Vitzthum V will turn up her research. She is a physical anthropologist, like I am. Kathy Dettwyler _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com *********************************************** The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(TM) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html