Every year, nearly one in a thousand women are diagnosed with breast cancer, and most of them will go to social networks and the Internet to look for more information after the diagnosis. On the occasion of World Breast Cancer Day, which is celebrated every October 19, it is necessary to alert of all this information that circulates on social networks and even among groups of friends or family and that, in most cases, lacks scientific basis.

Eating habits are the protagonists of many of these recommendations. From superfoods or miraculous diets such as ketogenic, or alkaline to macrobiotics, food advice floods the Internet without any scientific study to support it. For example, in the case of soy, there is no recommendation from the American Cancer Society that suggests that soy is contraindicated, so we must recognize the total and absolute safety in the consumption of soy milk, soy sauce or soy peas.

In terms of consumption habits, there is also a widespread belief that antiperspirant deodorants can cause breast cancer. In this case, there is even a study published in the Journal of the National Cancer Institute that shows that there is no relationship between the type of deodorant we use and the appearance of breast cancer, but despite this, many women still accept this idea.

One of the oldest myths talks about bras, which are said to cause breast cancer by obstructing lymphatic tissue, an assertion also completely devoid of scientific support. It is true that hoop bras are banned after breast cancer surgery and instead sports bras are recommended, but this is only a surgical recommendation and has nothing to do with tumor development and/or progression.

The Mediterranean diet and physical exercise, real prevention against breast cancer

Following a Mediterranean diet and exercising regularly are the only two recommendations for breast cancer prevention that are supported by scientific studies. Together with these two recommendations, it is important to remember the importance of avoiding tobacco  and moderate alcohol consumption in order to try to reduce the development of this tumour as much as possible.

In addition, another action that can help not to prevent, but to detect the appearance of breast cancer as soon as possible, is the population screening with the performance of ultrasound or mammograms to women from a certain age, which may vary according to each country. Complementary to this activity, performing breast self-examinations at home on a regular basis can also help in the early detection of this tumour, the most frequent among women all over the world.

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