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Title : The causes of breast cancer
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The causes of breast cancer

These cells divide more rapidly than healthy cells and then begin to accumulate, forming a lump or mass.

These cancer cells can spread (metastasize) throughout the breast and lymph nodes or other parts of your body.

Most often, breast cancer starts with producing cells in milk ducts. But it can also start in the glandular tissue called lobules, or in other cells within the breast.

Risk factors for breast cancer

While some people who get breast cancer do not have any of the following risk factors, these features increase your risk of developing breast cancer

• Being a woman
• obesity
• The elderly
• personal history of breast cancer in one breast ( increases the risk of getting it in the other breast)
• family history of breast cancer in close relatives, like her mother, sister or daughter - particularly if they developed the disease at an early age
• inherited genetic mutations, such as BRCA1 and BRCA2
• radiation exposure to the chest as a child or young adult
• from your menstrual cycle before 12
• from menopause at an older age
• Giving birth for the first time after 35 years
• never be pregnant
• Taking hormone therapy combines estrogen and progesterone
• alcohol

breast hereditary cancer

most breast cancers are not inherited . In fact, only 5 to 10 percent of breast cancers are related to transmitted from generation to generation genetic mutations.

The most common genetic mutations associated with breast cancer are BRCA1 and BRCA2. Both mutations also increase the risk of other cancers during the life of a woman, in particular ovarian cancer .

In normal cells, BRCA1 and BRCA2 genes help prevent cancer by making proteins that keep cells from growing abnormally. If these genes are mutated, the response of cancer prevention will not work correctly.

For some women with the BRCA1 mutation, the risk of breast cancer is as high as 80 percent. On average, however, this risk is more like 55 to 65 percent.

For women with BRCA2 mutation, the risk of breast cancer is about 45 percent.

Breast cancers associated with these mutations occur more frequently in younger women. Cancer affecting both breasts is also more common in cases not linked to these mutations.

While BRCA1 and BRCA2 mutations can affect anyone, it is most common in people of Jewish origin in Eastern Europe than in other racial and ethnic groups in the United States.

Men can also carry these mutations, and if they do, they run a higher risk of breast and other cancers, such as prostate cancer .

Genetic testing

Genetic testing may be an option if you have a family history of breast cancer or other cancers.

Through a blood or saliva, scientists can identify specific inherited mutations in BRCA or other genes.

talk to your doctor about whether genetic testing is a good choice for you. Your doctor may also recommend a genetic counselor who can discuss your options with you in detail evidence.

Check with your insurance company to see if the BRCA1 and BRCA2 gene test is covered by your plan.

Genetic counseling and testing for people at high risk is a preventive services covered under the Affordable Care Act (ACA).

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