Death rates are declining among U.S. women with breast cancer. But the disease is turning up more often in women under age 50. Death rates are declining among U.S. women with breast cancer. But the disease is turning up more often in women under age 50. your-feed-science, Breast Cancer, Deaths (Fatalities), Women and Girls, Cancer, Asian-Americans, Race and Ethnicity, Black People, Whites, Menopause, Hormones, Weight, Native Americans, Hispanic-Americans, Tumors, Minorities, Estrogen, Mammography, Breastfeeding, American Cancer Society, CA: A Cancer Journal for Clinicians NYT > Science