Breast Cancer

Women with a greater number of moles may have a higher risk of developing breast cancer, two new studies find.

Women who lose weight by exercising and eating better may reduce their risk of breast cancer more than women who lose the same amount of weight through diet alone, researchers say.

Women with mutations in the BRCA1 gene are at high risk for breast and ovarian cancer. Early research suggests that existing drugs may help prevent this type of breast cancer.

Women with a certain genetic marker may be at increased risk for breast cancer, especially if they are overweight or obese, a new study suggests.

Eating a diet high in saturated fat may increase women's risk of breast cancer, a new study suggests.

The methods behind a study questioning mammograms was itself highly questionable.

Yearly mammograms in middle-age women do not reduce breast cancer deaths — these tests are essentially as good as physical examination alone, according to a new 25-year study from Canada.

Yoga clearly reduces fatigue and inflammation in breast cancer survivors, a new study shows.