What is Breast Cancer? What is the Cause of it?

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What is Breast Cancer? What is the Cause of it?

Breast cancer is cancer cells that develop in the breast of a woman. The most common type of breast cancer is ductal carcinoma in situ. The cancer cells develop in the milk ducts of the breast. Doctors and researchers do not exactly know the cause of cancer. All they know is that it usually occurs when a cell’s DNA is damaged. When cells in the breast start to develop abnormally they begin to develop quicker than the normal cells. They also keep multiplying, causing them to metastasize throughout the breast to the persons lymph nodes and sometimes other parts of the body. Sometimes breast cancer occurs in the lobules, but most of the time it starts in the invasive ductal carcinoma. Breast cancer can occur in males and females, but it is more common in females. states that in 2014 there was an estimate of 232,670 new cases of breast cancer for women and 2,360 men. The estimate deaths were 40,000 for women and 430 for men.

What are the Risk Factors?

Risk factors are elements that may lead to an increase in someone being more likely to develop something. In this case, it would be breast cancer. First, of course, would be just being a woman. Men develop breast cancer also, but it’s more predominant in women. Age is also a factor. The older someone is may increase their risk of developing it. Genetics are also a risk factor. says, About 5% to 10% of breast cancer cases are caused by mutations. Having a family history of cancer increases someone's chances of getting it, although most of the time, people who have it, had no family history. Having being exposed to radiation, being obese, starting your menstrual cycle before the age of 12, beginning menopause late, ...

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... distancing themselves from the patient. The reaction for people are going to be different for each person because each person is different. There may be no change at all in a person.


Breast cancer is one of many cancers that are affecting people every day. There are ways to prevent it and even diagnose it early. There is multiple websites, organizations, and doctors who one can talk to and find out more information about it. Everyone should inform themselves about it, so they can be aware and try their best to prevent it.

Works Cited

"Breast Cancer Treatment (PDQ®)." - National Cancer Institute. N.p., n.d. Web. 28 Mar. 2014.

"Common Questions about Cancer Recurrence." Common Questions about Cancer Recurrence. N.p., n.d. Web. 28 Mar. 2014.

"Mammogram." N.p., n.d. Web. 26 Mar. 2014.