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Risk Factors

344 Research news
Breast Cancer Risk Drops Within 5 Years of Prophylactic Ovary and Fallopian Tube Removal in Women With BRCA Mutations

Surgery to remove the healthy ovaries and fallopian tubes reduces the risk of breast cancer in women with a BRCA1 or BRCA2 mutation in the first 5 years after surgery. The age at which a woman has the surgery seems to affect risk reduction more in women with a BRCA1 mutation than in women with a BRCA2 mutation.

People Diagnosed With Cancer Have Higher Risk of COVID Infection and Complications

Compared to people not diagnosed with cancer, people who have been diagnosed with cancer have a higher risk of being infected with COVID-19 and having more severe complications if they are infected.

Feb 23, 2021 | Risk Factors and Ethnicity
Women at High Risk for Breast Cancer Face Financial Barriers to Preventive Care, Even With Insurance

Women with a higher-than-average risk of breast cancer face barriers to preventive care because of financial concerns, even when they have health insurance.

May 11, 2021 | Day-to-Day Matters and Risk Factors
For Women First Diagnosed With Breast Cancer, Risk of Second Cancer Goes Up as Weight Increases

If a woman has been diagnosed with breast cancer, her risk of being diagnosed with a second primary cancer increases as her weight increases.

Apr 13, 2021 | Exercise and Risk Factors
Multiple Sclerosis Doesn't Seem To Affect Breast Cancer Survival

Women diagnosed with MS and breast cancer have about the same risk of dying from breast cancer as women diagnosed with only breast cancer, but women with MS and breast cancer are more likely to die from any cause than women diagnosed with only breast cancer.

May 24, 2021 | Risk Factors
Study Finds No Link Between Fertility Treatments and Breast Cancer Risk

Medicines commonly used to stimulate the ovaries to release eggs during fertility treatment don’t seem to increase the risk of developing breast cancer.

Women With BRCA1 Gene Mutation Have Fewer Eggs in Ovaries

Women with a mutation in the BRCA1 gene likely have fewer eggs in their ovaries than the average woman, which may shorten their window of opportunity to have children.

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
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