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17 Risk Factors Associated with Breast Cancer

Breast cancer is still be one of the deadly diseases for women. On average 1 in 8 women in the United States are diagnosed with breast cancer. Even so. some women have a higher risk than others.

The following 17 risk factors for breast cancer (quoted from ABC News):

  • Age
Increased breast cancer risk depends on the age of a woman. In the U.S.. 1 out of 227 women aged around 30 years was diagnosed with breast cancer. while for women aged over 70 years increased to 1 out of 26 women.
  • History of breast cancer
A woman more likely to be diagnosed with breast cancer if she had never been exposed to the disease before. For if a woman ever had cancer in one breast. then the higher the chances of cancer can also spread to the other breast.
  • Family history
Risk of breast cancer increases if a woman has a mother. a sister or child who had previously been diagnosed with this disease. The risk is also increased if the number of family members who were diagnosed more than 1 person.
  • Genetic mutation
Women with mutations in the BRCA1 or BRCA2 about 5 times more likely to be diagnosed with breast cancer. But even so. less than 1 percent of women have this mutation.
  • Have dense breast tissue
Risk of breast cancer in a woman will increase if he has a more dense breast tissue.
  • There is a non - cancerous breast changes
Non - cancerous breast changes such as atypical hyperplasia (abnormal increase in breast tissue). ductal carcinoma in situ (abnormal cells on the lining of breast) and lobular carcinoma in situ (abnormal cells in the milk-producing glands). are known to increase the risk of breast cancer in women.
  • Early menstrual period
Women who had a first menstrual period before age 12 years had a risk of breast cancer is higher.
  • Gestational age
Risk of breast cancer increases a woman if she is pregnant at the age of 30 years or do not have children at all. In contrast. this risk would be reduced if she is pregnant and has a child at the age of about 20 years.
  • Age of menopause
Women who experienced menopause after age 55 have an increased risk of breast cancer is higher.
  • Hormone therapy
Taking hormone therapy such as estrogen and progestin supplement intake for more than 5 years may increase the risk of breast cancer in a woman.
  • Radiation exposure to the chest
A woman's risk of breast cancer increases if she often has had radiation therapy to the chest. especially during puberty.
  • Weight loss and physical activity
Women who are overweight or obese have an increased risk of breast cancer is higher. Meanwhile, the physically inactive also increases the risk of breast cancer in women. Therefore. make it a habit to exercise regularly to help reduce the risk.
  • Consumption of alcohol
Consuming alcoholic beverages more than 1 drink per day increases a woman's risk of breast cancer.
  • Drug consumption
A woman who took the drug DES (diethylstilbestrol) during pregnancy to prevent miscarriage may increase the risk of breast cancer.
  • Feeding activity
Breastfeeding is very beneficial not only for babies. but also for the mother. Known breastfeeding may lower a woman's risk for developing breast cancer.
  • Racial
In the United States. white women have the highest number of people with breast cancer. However. African-Americans are even more at risk of dying from breast cancer due to longer diagnosed. so the treatment was too late.
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