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Risk Factors

344 Research news
Smoking During Breast Cancer Radiation Therapy Increases Risk of Lung Cancer

A new study shows that women who smoked and got radiation therapy to treat breast cancer had a much higher risk of lung cancer later on compared to women who got radiation and didn't smoke.

Women With Abnormal BRCA Gene Have Higher Risk of New Cancer in Opposite Breast

Research shows that women with an abnormal BRCA1 or BRCA2 gene who've been diagnosed with breast cancer have a higher risk of being diagnosed with a new, different cancer in the opposite breast compared to women without an abnormal BRCA1 or BRCA2 gene.

Being Diagnosed at Younger Age Increases Risk of Cancer in Opposite Breast

Research suggests that women with an abnormal BRCA1 or BRCA2 gene who are first diagnosed younger than age 41 have nearly double the contralateral breast cancer risk of similar women diagnosed when they're age 41 to 49.

Jan 6, 2016 | Diagnosis and Risk Factors
Regular Exercise Before Diagnosis Helps Reduce Risk of Treatment-Related Heart Problems

Women who did 5 hours of moderate exercise per week before being diagnosed with breast cancer were much less likely to have heart problems after treatment compared to women who exercised for less time.

Risk of Breast, Ovarian Cancer May Vary Depending on Type and Location of BRCA Mutation

A study suggests that a woman's risk of breast and ovarian cancer may vary depending on the type of mutation a woman has and where the mutation is located on the BRCA1 or BRCA2 gene.

Multiple CT Scans and Nuclear Imaging May Increase Breast Cancer Risk

From 2000 to 2010, use of CT scans increased dramatically and a study suggests that more CT scans may lead to a higher risk of breast cancer in women, especially young women who have repeat scans.

Feb 22, 2013 | Risk Factors
Benign Breast Disease Increases Risk, Amount Depends on Other Factors

Benign breast disease increases a woman's risk of breast cancer; the size of the increase depends on the pathology of the benign disease and family breast cancer history.

Dec 15, 2008 | Diagnosis and Risk Factors
Study Looks at Black Cohosh and Risk

A new study suggests that black cohosh may possibly reduce breast cancer risk.

Different Cancer Diagnoses Because of Genetics

Genetics of individual breast cancers may account for differences in diagnosis by race.

Apr 18, 2007 | Risk Factors
Folate Doesn't Seem to Lower Breast Cancer Risk

Folate has important benefits for health and preventing birth defects, but there is no research that shows that it reduces breast cancer risk.

Nov 20, 2006 | Risk Factors and Nutrition
Study Suggests Breast Cancer Screening Options for Women With ATM, CHEK2, and PALB2 Mutations

Women with ATM, CHEK2, or PALB2 mutations may benefit from starting annual breast cancer screening with MRI between the ages and 30 to 35 and an annual MRI and mammogram starting at age 40.

Two Mammograms Per Year Better Than One After Lumpectomy

New research suggests that having mammograms twice per year after lumpectomy finds a cancer recurrence (or a new cancer) earlier than only one mammogram per year after surgery.

Many Women Who Got Chest Radiation as Children Aren't Getting Needed Breast Cancer Screening

Many women treated for childhood cancer with chest radiation therapy aren't getting recommended breast cancer screening.

No Link Between Coffee and Risk

A new study provides more evidence that there seems to be no link between caffeine and breast cancer risk.

Oct 13, 2008 | Risk Factors and Nutrition
Exercise Reduces Risk, but Benefits Disappear if Women Stop Exercising

Postmenopausal women who exercised regularly in the last 4 years had a lower risk of breast cancer than women who exercised less during that time; women who had exercised regularly between 5 and 9 years earlier but were less active in the past 4 years didn't have a lower risk of breast cancer.

Aug 14, 2014 | Exercise and Risk Factors
Study Suggests Not All Women With Dense Breasts Have Higher Cancer Risk

Research suggests that only about half of women with dense breasts have a higher-than-average risk of breast cancer.

May 19, 2015 | Risk Factors
Study Says Breast Cancer Prevention Must Begin Early in Life Professional Advisory Board member calls for breast cancer prevention to start in girlhood.

Aug 12, 2015 | Risk Factors
Telephone Genetic Counseling Just As Good As Face-to-Face Counseling

A study has found that genetic counseling over the phone is equal to in-person genetic counseling for women at high risk for a genetic mutation that would raise their risk of breast or ovarian cancer.

Is There a Link Between Birth Control Pills and Higher Breast Cancer Risk?

A study found that using high-dose estrogen birth control pills in the previous year was linked to a higher risk of breast cancer in younger women, but using birth control pills with a low dose of estrogen (the type of birth control pills that many women take) WERE NOT linked to a higher risk of breast cancer.

Aug 4, 2014 | Risk Factors
Do Hormonal Contraceptives Increase Breast Cancer Risk?

Hormonal contraceptives slightly increase the risk of breast cancer. But the importance of the increase is unique to each woman and depends on many factors.

Dec 13, 2017 | Risk Factors
Study Estimates Breast Cancer Risk by Age for Women With BRCA Mutations

A study estimates the risk of breast and ovarian cancer by age, taking into account family history and mutation location for women with a BRCA mutation.

Jun 30, 2017 | Genetic Testing and Risk Factors
Women Who Receive Chest Radiation Therapy to Treat Childhood Cancer Have Higher Risk of Breast Cancer

Research suggests that women who had radiation to the chest to treat childhood cancer, such as Hodgkin lymphoma, have a risk of breast cancer that's 20 times higher than average -- even higher than doctors have thought.

Jun 5, 2014 | Risk Factors
Women With Dense Breasts More Likely to Develop Cancer in Opposite Breast

A study suggests that women who've been diagnosed with breast cancer and have dense breasts are nearly twice as likely to develop cancer in the opposite breast.

Feb 14, 2017 | Diagnosis and Risk Factors
Using MRI to Follow Previously Diagnosed Women Finds More Breast Cancers, but Leads to More Biopsies

MRI monitoring in women previously diagnosed with breast cancer finds more cancers than mammography, but also leads to more biopsies.

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