Breastfeeding initiation and duration have followed distinct cycles in
the United States. Despite recent increases, breastfeeding rates stil
l fall short of public health goals. This paper takes an applied persp
ective to examine the potential role of human biologists in enhancing
the promotion of breastfeeding in the United States. The conceptual mo
del of breastfeeding held by policy makers and public health professio
nals is distinguished from that of human biologists. An integrated mod
el is proposed that incorporates the sociodemographic factors of the p
ublic health model with the components of breastfeeding structure and
early mother-infant interaction of the human biology model. It is sugg
ested that human biologists can contribute to the more effective promo
tion of breastfeeding by promoting inclusion of a wide range of anthro
pological research on infant feeding, clarifying the vocabulary of inf
ant feeding, and expanding their own research to include participation
in the development and testing of breastfeeding interventions. (C) 19
98 Wiley-Liss, Inc.