A woman's breast undergoes size change throughout her life. Many studies have indicated a link between breast size and breast cancer risk.
Research shows that mothers who breastfeed have a lower risk of developing pre and postmenopausal breast cancer.
Breast cancer is the most common cancer in women in the world, but have a good prognosis if detected and treated early.
According to the Centre for Disease Control, 1 in every 100 breast cancer cases in the United States occurs in men.
Estrogen receptor positive is the most common form of breast cancer - around 80% of breast cancers are ER-positive.
Breast cancer cells that do not have estrogen receptors are known as estrogen-receptor-negative (or ER-negative) cancers.
People who have had breast cancer in the past are at higher risk for developing other types of cancers. Learn more about why.
While smoking is a risk factor for all types of cancer, it is significantly associated with breast cancer in women.