title: Stress could lower breast cancer risk.
mesh_terms: D001943:Breast Neoplasms / Q000209:etiology*; D004967:Estrogens / Q000096:biosynthesis*; D005260:Female; D006801:Humans; D018570:Risk Assessment; D013312:Stress, Physiological / Q000150:complications* / Q000378:metabolism
chemical_list: D004967:Estrogens