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Previous Volume 330:1682-1684 June 9, 1994 Number 23 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: In their interesting report, Newcomb et al. (Jan. 13 issue)¹ do not speculate about why the reduced risk of breast cancer associated with lactation was limited to premenopausal women. Changes in breast-feeding practices in the United States over recent decades may help explain this finding and may shed light on why no association with lactation was observed among premenopausal women in the Nurses' Health Study².

In the first half of this century, a rigid schedule of five breast-feedings per day was widely recommended. Dr. Spock's popular manual suggested greater flexibility in responding to an infant's cries . . . [Full Text of this Article]

References

This article has been cited by other articles:

• Tryggvadottir, L., Tulinius, H., Eyfjord, J. E., Sigurvinsson, T. (2001). Breastfeeding and Reduced Risk of Breast Cancer in an Icelandic Cohort Study. Am J Epidemiol 154: 37-42 [Abstract] [Full Text]