Breast cancer: Lower the risk and Know the cause

The Anatomy Of The Breast

Before discussing about the breast cancer, it's good we study the anatomy of the breast first. Normal breast consists of glands that produce milk that is connected to the surface of the skin on the nipple. The gland and the channel is supported by connective tissue made up of fat and fiber. Blood vessels, nerves, and lymphatic channels to lymph nodes are most Shaper breast tissue. The Anatomy of the breast is under the skin and above the chest muscles.

breast cancer care

Recognize Breast Cancer

As in all forms of cancer, abnormal tissue that forms the breast cancer is our own cells are found many times fold to uncontrollably. These cells can also be relocated to the actual body parts do not require these cells, which means the cancer including metastasis.

Developing breast cancer within the breast tissue, especially in the milk ducts (ductal carcinoma) or glands (lobular carcinoma). Cancer is still called breast cancer and treated as though if the first discovered in other areas of the body. In such cases, the cancer is referred to as metastatic or advanced breast cancer.

Breast cancer usually begins with the formation of small, in the form of tumors (lumps), or as a deposit of calcium (microcalcifications) and then spread through the channels in the breast to the lymph nodes or through the bloodstream to other organs. Tumors can grow and invade surrounding breast tissue, such as skin or chest wall. Different types of breast cancers grow and spread on different levels. In some cases take years to spread outside the breast while others grow and spread quickly.

Some of the benign lumps could be not a cancer, but it can be precancerous. The only safe way to distinguish between benign lumps and cancer was checked by a doctor.

Men can get breast cancer too, but these cases are pretty rare. It took about one percent of all cases of breast cancer. For women, breast cancer is the most common cancer and the second cause of cancer deaths after lung cancer.

Fortunately, breast cancer is highly treatable if detected early. Local tumors can usually be treated with success before the cancer spreads, and in nine out of 10 cases, the woman will live at least five more years. However, usually growing bias breast cancer later in life.
After the cancer began to spread, the treatment becomes difficult, even though treatment often can control the disease for many years.

What Causes Breast Cancer?

Although the exact cause of breast cancer is not clear, we know what is the main risk factor. However, most women who are considered at high risk for breast cancer does not get it. On the other hand, 75% of women who had breast cancer did not know those risks. Among the most significant factors are age and family history. The risk of a slight rise for a woman who has some lumps on the breast and significantly increased in women who previously had breast cancer or endometrial, ovarian, or colon cancer.

A woman whose mother, his sister, or daughter had breast cancer have a risk two to three times more for developing cancer of the breast, especially if there is more than one close family who have experienced breast cancer. This is especially true if the cancer growing on the woman while she was premenopausal, or if the cancer is growing in both breast. The researchers now have identified two genes that are responsible for some cases of familial breast cancer-BRCA1 and BRCA2. About one in 200 women carry one of the genes. Having the gene BRCA 1 or BRCA 2 would increase a woman affected by breast cancer and, although it does not guarantee that he will be affected by breast cancer, the risk of his life was 56%-85%. This gene is also responsible for ovarian cancer and are associated with pancreatic cancer, melanoma, and male breast cancer (BRCA2).

Because of this risk prevention strategies for those with the BRCA genes are more intensive. There are other genes that have been identified may increase the risk of breast cancer, including gene PTEN gene, TP53 gene, ATMs, and the gene CHEK2. However, this gene carries a lower risk for developing breast cancer than BRCA genes.

Generally, women over 50 are more prone to breast cancer than younger women.
The relationship between breast cancer and hormone adults is becoming more clear. The researchers think that the greater the hormone estrogen in a woman is, the more vulnerable he is cancer of the brast

Estrogen member knew the cell to divide, the more the cells are damaged, the more likely they are to become abnormal, that could potentially become cancerous.

The levels of estrogen and progesterone on the rise and decline of a woman during her lifetime. It is influenced by the age when he started to menstruate and stop menstruating (menopause), the average long menstrual cycles, and the age of first childbirth. Women's risk for breast cancer increases if she started menstruating before age 12 (less than 2 times the risk), having a first child after 30, stop menstruation after 55, or do not breastfeed. Current information about the effects of birth control pills and breast cancer risk are somewhat obscure. Several studies have found that the hormones in birth control pills may not increase the risk of breast cancer or protect against breast cancer. But other studies show that breast cancer risk increased in women who have been consuming the new pill.

Some studies show that the use of hormone replacement therapy with estrogen and progesterone contains compounds that increase the risk of developing breast cancer. They also showed, after 7 years of follow-up, that the use of estrogen alone does not increase or decrease the risk of development of breast cancer.

High levels of radiation, such as by exposure to nuclear or radiation therapy, are factors that bias causes breast cancer.
The relationship between diet and breast cancer is still in debate. Obesity is a risk factor which is pretty important, predominantly in menopausal women, because women's estrogen metabolism change obesity. Drink alcohol regularly also increases the risk of breast cancer. Many studies have shown that women who consume high-fat foods, both of red meat or dairy products are high in fat, is more likely to get the disease. The researchers suspect that if a woman lose his daily calories from fat-approximately 20-30 percent-can help protect her from breast cancer.

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