Factors Cause Breast Cancer

The cause of breast cancer until now Clearly not yet known, but the most Influencing factors of breast cancer are age and family history of breast cancer once. Will increase the risk for women who have benign breast lumps and will increase significantly for a woman who previously suffered from breast or ovarian cancer.

Women who have a mother, sister, or daughter had breast cancer is two to three times greater risk of breast cancer. Researchers have identified two genes responsible for some cases of breast cancer, called BRCA1 families and BRCA2. About one in 200 women carry. After the gene predisposes women to breast cancer, but does not guarantee that he'll get it.

Age
Women aged over 50 years have 77% risk of breast cancer than younger women, and African-American women more at risk for getting breast cancer before menopause Caucasions.


Women's greater exposure to the hormone estrogen, the more vulnerable to breast cancer. Estrogen tells cells to divide, the more the cells divide, the more likely they will be normal in some ways, may become cancerous.

Menstrual History
Menstrual history was also an important role to be wary of this cancer attack.
The length of time the average menstrual cycle, women who are at risk for breast cancer increases if he had started menstruating before age 12 years, having first child after age 30 years, stopped menstruating after the age of 55 years, or have shorter menstrual cycles or more longer than the average normal is between 26-29 days.

Alcohol
Drinking alcohol regularly are more than two drinks a day may cause breast cancer

Weight Loss
Obesity that occurs after menopause can trigger breast cancer, for women should maintain body weight with a balanced diet and regular.
Obesity is a risk factor that must be considered. Many studies have shown that women are a high-fat diets are more likely to get the disease. A woman lowered daily calories from fat - to less than 20% -30% - her diet can help protect against breast cancer.

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