Breast cancer : Risk increases due to the weight

Breast cancer : Risk increases due to the weight
substantial weight gain in the two years after the detection of breast cancer increases the risk of recurrence and death.

Scientists have conducted analysis of data obtained as a result of a major study involving almost 18 400 women who have successfully recovered from breast cancer.The work was conducted in three US states and Shanghai (China).

Over the next two years, the women gained weight on average 1.5 kg.Every sixth patient, scientists have noted an excessive weight set - more than 10%.And regardless of the initial digits of the risk of breast cancer recurrence in these patients, according to the observations of scientists, it was 14% higher compared to those women who do not have recovered so much.

risk of recurrent breast cancer increases with weight

The researchers then decided to check out who among the fair sex is more prone to be overweight.And I found out an interesting fact: most recovered precisely those women who were thin before the disease or have had an average weight (body mas

s index equal to or less than 25).They, according to lead researcher Bette Caan from the Research department at Kaiser Permanente (Oakland, USA), and were at high risk of breast cancer recurrence.

In addition, it was found that the weight gain is particularly dangerous for those women whose tumors were hormone-dependent, that is growing under the influence of estrogen.In these women, the risk of death was 25%.

What is the reason for these changes?According to scientists, in weight gain involves several mechanisms.First, menopause, which often accompanies such an aggressive treatment such as chemotherapy.At the same time the metabolism slows down very quickly, and the woman begins to recover.In addition, after radiation treatment and chemotherapy, which not only cures cancer, but also undermine the general health, women are beginning to recover and eat more.As a result there is an increase in weight.

next stage of research will focus on the preservation of normal body weight in women after treatment for breast cancer.

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