evidence: Despite a continuous decline in the rate of breast cancer deaths in the United States, the incidence of the disease has increased, especially among younger ages, and significant racial disparities remain, according to a new American Cancer Society report. [...] The trend follows a pattern seen recently with other cancer types, such as colorectal cancer, in that more people are being diagnosed at younger ages than has traditionally been seen. [...] "They have uncovered worrisome trends especially regarding breast cancer in younger women," she wrote. "Environmental risks, lifestyle risks and genetic risk factors may be contributing to this rise."