title: Breast cancer.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology* / Q000378:metabolism; D002648:Child; D004032:Diet; D005260:Female; D006728:Hormones / Q000378:metabolism; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy; D012098:Reproduction
chemical_list: D006728:Hormones