While many Complementary and Alternative Medicines (CAM) are unlikely to interact negatively with conventional
oncology treatment, some ingestible CAM substances have biological activities that may reduce the effectiveness of chemotherapy
or radiation. This study surveyed women with breast cancer in order to document the extent to which women with breast cancer
use these CAM substances of concern concurrently with conventional treatments. Methods. A total of 398 women completed a
survey describing their use of CAM at various time points in their cancer treatment. This report focuses on a subsample of 250
women receiving chemotherapy or radiation who reported using specific one or more of several chemotherapies. Results. Of those
participating, 104 (43.7%) of those receiving chemotherapy (