Do not you play sports and you're a woman? You have more risk of breast cancer

Each year in the United States more than 300,000 cases of breast cancer, of which around 246,000 correspond to invasive breast cancer, and 61,000 to breast cancer in situ. In our country, the Spanish Association Against Cancer (AECC) estimates that about 22,000 new cancers are diagnosed every year, according to data provided in the report on the situation of cancer in Spain for the year 2014.

Moreover, it is estimated that 1 in 8 women will have breast cancer throughout their lives, while every year on October 19 is celebrated the Day Against Breast Cancer, as a reminder of the commitment that the whole society has in the fight against this type of cancer.

On the other hand, 5-year survival rates indicate that if the cancer is only in the breast, the relative survival rate of 5 years is 99%, of 85% if the cancer has only spread to the lymph nodes. regional lymphatics, and 26% if the cancer has spread to different parts of the body.

And what is breast cancer? It's about a malignant tumor that originates in the tissue of the mammary gland, which has the ability to invade the surrounding healthy tissues, as well as reach organs far from it and implant in them.

There are 3 ways by which this tumor can grow. One of them is local growth, so that cancer grows by direct invasion infiltrating other nearby structures. Another is dissemination through the network of lymphatic vessels that the breast has, reaching the lymph nodes (usually the lymph nodes located in the axilla, followed by those located in the central area of ​​the thorax and those found above the lymph node). clavicle). It can also spread through the blood vessels.

Although breast cancer can not be prevented, recent scientific studies have shown that the risk of suffering from this type of cancer can be reduced by performing physical exercise on a regular basis, in addition to avoiding alcohol consumption and both overweight and obesity, especially after menopause.

In fact, as an epidemiological study carried out by the Geicam breast cancer research group has shown, those women who follow a sedentary lifestyle have a 71% higher risk of developing breast cancer, compared to those who perform at least 150 minutes of moderate physical exercise a week (for example, walking at a good pace for at least 10 minutes each time), or 75 minutes of intense physical exercise.

This is the first study that takes into account the HER2 positive subtype, a subtype of breast cancer that tend to spread and grow faster than other breast cancers.

And according to the results obtained with the study, physical activity would have a protective effect, being especially important and patent in those with positive hormone receptors and in the HER2 positive subgroups. However, the result does not seem so clear in the case of women who do not express any receptor (triple negative tumor). ThemesCancer Exercise

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