The exact cause of breast cancer remains unclear,but some risk factors make it more likely.it is possible to prevent some of these risk factors.
1. Age.
The risk of breast cancer increases with age.At 20 years,the chance of developing breast cancer in the next decade is 0.06% by the age 70years,this figure goes up to 3.84%.
2. Drinking Alcohol.
Drinking excessive amount of alcohol raises your risk. A higher rate of regular alcohol consumption appears to play a role in breast cancer development.
According to the National Cancer Institute(NCI) studies have consistently found that women who consume alcohol have higher risks of breast cancer than those who do not.Those who drink moderate to heavy levels of alcohol have higher risk than light drinkers.
Dense breast tissue makes mammograms hard to read.it also increases your risk of breast cancer.
4. Early Menstruation.
If you had your first period before age 12,you have an increased risk for breast cancer.
5. Genes.
Women who have the BRCA1 and BRCA2 gene mutations are more likely to develop breast cancer than women who don't.other gene mutations may also affect your risk.
6. Gender.
White-women are 100 times more likely to develop breast cancer than white men,and black women 70 times more likely to develop breast cancer than black men.
7. Giving Birth At An Older Age.
Women who don't have their first child until after age 35 have an increased risk of breast cancer.
8. Hormone Therapy.
Women who took or are taking post-menopausal estrogen and progesterone medications to reduce signs of menopause symptoms have a higher risk of breast cancer.
9. Radiation Exposure.
Undergoing radiation treatment for a different cancer may increase the risk of developing breast cancer later in life.
10. Late Menopause Start.
Women who do not start menopause until after age 55 are more likely to develop breast cancer.
11. Inherited Risk.
If a close female relative has had breast cancer,you have an increased risk for developing it. This includes your mother, grandmother,sister or daughter.if you don't have a family history of breast cancer,you can still develop breast cancer. Infact,the majority of women who develop it have no family history of the disease.
12. Never Being Pregnant.
Women who never became pregnant or never carried pregnancy to full term are more likely to develop breast cancer.
13. Previous Breast Cancer.
If you have had breast cancer in one breast,you have an Increased risk of developing breast cancer in your other breast or in a different area of the previously affected breast.
Women who have become overweight or develop obesity after menopause may also have a higher chance of developing breast cancer, possibly due to increased estrogen levels. High sugar intake may also be a factor.
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