> From: Ann Perry <[log in to unmask]>
>
> In a message dated 3/8/03 7:11:52 PM Eastern Standard Time,
> [log in to unmask] writes:
>
>> They might also note
>> breastfeeding reduces the cancer risk for the baby
>>
>>
>
> Jodine, do you have the references for this?  I would like to have that when
> I write back to them.

The wording should probably be "some research shows breastfeeding reduces"
or maybe "breastfeeding may reduce."

In addition to the textbook references, here are some citations from
ProMom's 101 Reasons list:

There's a specific reference to breast cancer risk:

> #6 Formula feeding increases baby girls' risk of developing breast cancer in
> later life
> Women who were formula-fed as infants have higher rates of breast cancer as
> adults. For both premenopausal and postmenopausal breast cancer, women who
> were breastfed as children, even if only for a short time, had a 25% lower
> risk of developing breast cancer than women who were bottle-fed as infants.
> Freudenheim, J. et al. 1994 "Exposure to breast milk in infancy and the risk
> of breast cancer". Epidemiology 5:324-331

The list also has these references to other cancers:

> #30 Formula fed babies have a higher risk of developing certain childhood
> cancers
> In a study done by researchers at the University of Minnesota it was found
> that babies who were breast fed for at least one month had a 21% less chance
> of getting leukemia than formula fed babies. The risk was 30% for children
> breast fed for 6 months.
> "Breastfeeding May Lower Risk For Leukemia In Children", c. 1999,
> Mediconsult.com
> Davis MK, Savitz DA, Graubard BI. "Infant feeding and childhood cancer."
> Lancet. 1988;2:365-368
> Shu X-O, Clemens H, Zheng W, et al. "Infant breastfeeding and the risk of
> childhood lymphoma and leukemia". Int J Epidemiol. 1995;24:27-32

and

> #32 Breastfeeding decreases child's chances of contracting Hodgkins disease
> Hodgkins disease is a type of lymphoma, or cancer of the lymph system. It can
> develop in children, although it is less likely to do so in children who were
> breastfed as infants.
> "An Exploratory Study of Environmental and Medical Factors Potentially Related
> to Childhood Cancer." Medical & Pediatric Oncology, 1991; 19(2):115-21
>


Here's a another recent one from Medline:

Cancer Causes Control 2002 Jun;13(5):401-5 Related Articles, Links
Breast-feeding and neuroblastoma, USA and Canada.
Daniels JL, Olshan AF, Pollock BH, Shah NR, Stram DO.
Epidemiology Branch, National Institute of Environmental Health Sciences,
Research Triangle Park, NC 27709, USA. [log in to unmask]

    OBJECTIVE: Researchers have suggested an inverse association between
breast-feeding and risk of childhood cancer. We investigated the association
between breast-feeding and neuroblastoma in a large case-control study in
the United States and Canada. METHODS: Maternal reports of breast-feeding
were compared among 393 children six months or older who had neuroblastoma
and were identified through the Children's Cancer Group and the Pediatric
Oncology Group and 376 age-matched controls identified by random-digit
telephone dialing in a telephone interview case-control study. RESULTS:
Children with neuroblastoma were less likely to have breast-fed than control
children (odds ratio (OR) = 0.6; 95% confidence interval (CI) = 0.5-0.9).
The association between breast-feeding and neuroblastoma increased with
breast-feeding duration (0-3 months OR = 0.7, CI = 0.4-1.0; 13+ months OR =
0.5, CI = 0.3-0.9). CONCLUSION: Breast-feeding was inversely associated with
neuroblastoma and should be encouraged among healthy mothers. Additional
research on possible mechanisms of this association may be warranted.

PMID: 12146844 [PubMed - indexed for MEDLINE]


Jodine Chase

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