Studies from the National Institute of Environmental Health Sciences confirmed that individuals with genetic polymorphisms reducing glutathione S-transferase activity (GSTM1-null and GSTT1-null genotypes, present in 4060% of some populations) showed increased susceptibility to environmental toxins and certain cancers
References: He L, Feng D, Guo H, Zhou Y, Li Z, Zhang K, Zhang W, Wang S, Wang Z, Hao Q, Zhang C, Gao Y, Gu J, Zhang Y, Li W, Li M
Additionally, because cells maintained in culture for prolonged periods of time are subject to change and die over time, we were unable to fully mimic the prolonged exposure that occurs during pregnancy or any adaptations that may take place over time
H 2 S plays a dual role in breast cancer
The gap in the logic is the same one as with methionine: correcting a deficiency is not the same as producing weight loss in someone who is replete