A potential risk factor for breast cancer has been identified, study suggests

Researchers believe they have identified a risk factor for breast cancer - loss of breast density.

A lump isn't the only symptom. Learn the signs and risk factors for this common cancer.

Learn who is at greater risk—and possible reasons for the worrisome trend.

Certain risk factors, such as age and sex, can’t be changed. But healthy habits can help.

Find out what it means to have dense breasts, and how it will affect your next breast cancer screening.

Giving birth has long been thought to be protective, but a new study suggests a small increased risk in the years after delivery.