Obese women suffering from breast cancer are much more difficult to treat than women with a normal body mass index - say doctors from the United States of America. A study on obesity, as an additional burdening factor in breast cancer, appeared on the EurekAlert website!.

According to statistics, which was analyzed by the staff of the General Hospital of Massachusetts, almost seventy percent of patients with breast cancer are overweight. As a result, a large percentage of adipose tissue is present in cancer tumors.

Plus, obesity as a whole is a factor that contributes to an increase in the intensity of inflammatory and angiogenic processes.

All this leads to the fact that in an organism with excessive mass there is a resistance to bevacizumab, a drug with which modern medicine blocks the activity of VEGF (vascular endothelial growth factor).

As a result, the drug used to fight the development of metastasis is almost ineffective when it comes to treating obese women.

"In adipose tissue as a whole, not so many blood vessels, so it prevents the spread of the drug in areas of the body in which malignant tumors are concentrated," experts added..

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