Learn why obesity increases the risk of breast cancer in Women

What is the relationship between obesity and breast cancer...
 
 
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AMHERST, N.Y. - Nov. 8, 2014 - PRLog -- The relationship between the extra pounds and breast cancer has been studied by scientists around the world and new research from University College London in England, reinforces the link. The work was published in the prestigious British Medical Journal Open, and with the participation of 93 000 women aged above 50 years and who had already gone through menopause.

This time the scholars innovated: besides evaluating important risk factors for this disease (such as family history, use of contraceptives based on hormones and hormone replacement therapy), they also took measures the size of the skirt of volunteers and investigated the number of skirt that they wore when they were 20 years ago.

After four years of monitoring, the experts noted that this was an important indicator of the likelihood of having breast tumors after menopause . This is because the increase in the number of a piece of clothing, a ten-year period, representing a 33% more likely to get breast cancer. If women put on weight more, the risk rose to 77%. Another point that caught the attention of the experts is that the body mass index (BMI) was less significant than the fat that accumulates around the waist.

What is the relationship between obesity and breast cancer

One explanation is that the fats concentrated in the abdomen also produce estrogen, a hormone that affects, among other things, the production of breast cells. "This, coupled with genetic predisposition contributes to providing cellular changes that lead to cancer," says obstetrician and gynecologist Gilberto Uemura, Professor of mastology the Faculty of Medicine of the State University of Sao Paulo, Botucatu, São Paulo State .

What is more, it is known that obesity opens doors for inflammation, which may also cause the breast cells are transformed and proliferate in tumors.

Why menopause exacerbates the situation

Women over 50 are more prone to breast cancer simply because of age, since this is a disease whose risk increases with time. But if they have passed through menopause, and furthermore are overweight, the probability of developing such tumor grows. "At this stage, the production of estrogen almost resets, and testosterone is eventually transformed into female hormone in adipose tissue," explains the oncologic surgeon José Luiz Barbosa Bevilacqua, director mastology the AC Camargo Cancer Center in São Paulo. Thus, the woman's body undergoes estrogen action at a time that should not happen, which increases the risk of breast tumors.

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