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Geen relatie tussen koffie, thee en borstkanker.*
Uit een grote, langjarige studie blijkt dat het drinken van koffie, gewoon of decafe´ne en thee de kans op het krijgen van borstkanker niet verhoogd. 85.987 vrouwen werden 22 jaar gevolgd en uit niets bleek enige relatie tussen cafe´ne houdende dranken zoals koffie en thee en het krijgen van borstkanker. 
Coffee and tea don't raise breast cancer risk
Results from a decades-long study may enable women to drink coffee or tea without worry that doing so will increase their risk for breast cancer, study findings suggest.
"In this large cohort of women, with 22 years of follow-up, we observed no association between coffee (caffeinated or decaffeinated) and tea consumption and the risk of breast cancer," told Dr. Davaasambuu Ganmaa .
"Coffee and tea are remarkably safe beverages when used in moderation," said Ganmaa, of the Harvard School of Public Health in Boston, Massachusetts.
Ganmaa and colleagues assessed coffee, tea, and caffeine consumption among 85,987 women who participated in the Nurses' Health Study. The women were between 30 and 55 years old at the start of the study.
Over 22 years of follow up, 5,272 women developed breast cancer.
After accounting for other factors potentially associated with breast cancer risk, such as age, smoking status, body mass, physical activity, alcohol intake, family history, menopausal status, history of hormone therapy, and number of children, the researchers found no elevated risk of breast cancer among women who reported drinking 4 or more cups of caffeinated or decaffeinated coffee or tea per day, compared with those who drank less than 1 cup daily.
They also found no apparent association between the occurrence of breast cancer and intakes of other caffeinated soft drinks and chocolate, which contribute to overall caffeine intake.
When the researchers further assessed breast cancer risk specifically among postmenopausal women, they found a modestly reduced risk associated with the highest versus the lowest caffeine intake. But, "this relation needs to be examined further," the investigators note.
SOURCE: International Journal of Cancer (
Juni 2008)



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