Recent reports indicate that breastfeeding rates continue to be dramatically lower among WIC participants, compared with other US mothers. The WIC Infant Feeding Practices Study was a nationally representative 1-year longitudinal study of WIC participants that obtained information about attitudes regarding infant feeding and about infant-feeding practices. Hispanic mothers were most likely to agree with statements about benefits of breastfeeding, and Black mothers were most likely to agree with statements about barriers. Concern about insufficient milk was common in all ethnic groups. Perceived benefits were associated with breastfeeding initiation (P < .05), longer breastfeeding duration (P < .01), and later formula initiation (P < .01); for barriers, the opposite pattern was found. Breastfeeding mothers who reported concern about insufficient milk breastfed for shorter durations (P < .001) and initiated formula earlier (P < .01). These results suggest possible messages that should be communicated as part of a re-energized WIC breastfeeding promotion campaign. In particular, maternal anxiety about insufficient breast milk must be addressed.

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Cotinine levels in the semen, urine, and blood of 88 male smokers and nonsmokers, aged 18 to 35, were analyzed via radioimmunoassay. Detectable cotinine levels were found in all three body fluids, and cotinine levels in all three fluids were highly correlated. Cotinine levels in semen and blood were of similar magnitude; cotinine levels in urine were an order of magnitude or more higher. In all three fluids, cotinine levels increased with an increase in cigarette smoke exposure.

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In its recently adopted Global Strategy on Infant and Young Child Feeding, the World Health Assembly called for urgent action in addressing the barriers to optimal feeding practices. This paper examines mothers' concerns about milk insufficiency as a major contributor to suboptimal infant feeding decisions, using survey data from peri-urban areas of two Bolivian cities. Mothers in the lowland modernizing city of Santa Cruz were more likely than mothers in the highland traditional city of Cochabamba to express concern about insufficient milk, and also less likely to feed their infants according to international recommendations. Furthermore, perceived milk insufficiency was particularly common among mothers of infants younger than 6 months of age -- an age at which infants are particularly vulnerable to the adverse effects of breast-feeding cessation and complementary feeding initiation. The paper concludes with policy, programme and research recommendations to address the critical problem of perceived insufficient breast milk.

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