Breast cancer rates are climbing. Are plastics and cosmetics to blame? The Boston GlobeBreast Cancer Continues to Rise Among Younger Women, Study Finds The New York TimesMammograms can prevent breast cancer deaths. But many skip screening due to cost. USA TODAYBreast cancer deaths in the US continue to fall, but new report warns of rise in cases among women younger than 50 CNNBreast cancer diagnoses spiking among women under 50, new report reveals Fox News