Breast cancer diagnoses spiking among women under 50, new report reveals Fox NewsBreast Cancer Continues to Rise Among Younger Women, Study Finds The New York TimesBreast cancer deaths in the US continue to fall, but new report warns of rise in cases among women younger than 50 CNNUS breast cancer rate rising sharply even as deaths fall: study FRANCE 24 EnglishBreast cancer is on the rise in women under 50. It could be linked to 2 lifestyle factors. Business Insider