Breast cancer risk in premenopausal women is inversely associated with consumption of broccoli, a source of isothiocyanates, but is not modified by GST genotype.
Ambrosone CB, McCann SE, Freudenheim JL, Marshall JR, Zhang Y, Shields PG.
J Nutr. 2004 May;134(5):1134-8.
PMID: 15113959