Milk derivatives are used in many other food products such as candy bars, chocolate, cakes and even some chips. Research on the link between rBST and breast cancer has produced mixed results, and more study is needed to evaluate the potential association.
IGF-1 has been shown to stimulate growth of human breast cancer cells. A recent review of the relevant epidemiological data revealed no associations between consumption of cow milk and breast cancer. Reviewed [1] European Commission. Brussels: EC, Topics: Glossary of Exposures. And though the label implies that unlabeled milk does contain antibiotics, according to the National Dairy Council , all milk is tested for antibiotics and other drug residues before being processed. Any milk, whether this label is attached to it or not, that tests positive for antibiotics is discarded.
Verified by: Organic certification is provided by a number of approved certifying agencies. What It Means: This label suggests that the food has no additives or synthetic substances, but remains pretty vague. Most dairy products are pasteurized, or heated to kill off microorganisms, and many have been mechanically separated and homogenized to prevent them from separating. What other labels should we look at?
Several studies have found that IGF-1 levels at the high end of the normal range may influence the development of certain tumors. Some early studies found a relationship between blood levels of IGF-1 and the development of prostate , breast , colorectal , and other cancers, but later studies have failed to confirm these reports or have found weaker relationships.
While there may be a link between IGF-1 blood levels and cancer, the exact nature of this link remains unclear. But this same finding has also been reported in people who drink soy milk. This suggests that the increase in IGF-1 may not be specific to cow's milk, and may be caused by protein, minerals, or some other factors in milk unrelated to rBGH.
There have been no direct comparisons of IGF-1 levels in people who drink ordinary cow's milk vs. At this time, it is not clear that drinking milk, produced with or without rBGH treatment, increases blood IGF-1 levels into a range that might be of concern regarding cancer risk or other health effects. These were:. In , only 9. Center for Food Safety is a tax-exempt c 3 organization. Any unauthorized reprint or use of this material is prohibited. No text may be reproduced or transmitted in any form or by any means without express written permission or proper citation.
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