glutathione and cancer growth Scientists Discover an Unexpected Food Source for Tumors Study Finds Cancer Cells Use

Individual outcomes are unknown and unverifiable given the absence of human clinical trial data

Tumor markers like PSA, CA-125, or CEA may be worth checking in individuals with relevant risk factors, though their usefulness for screening in healthy individuals remains debated

In a rigorous clinical trial, the Southwest Oncology Group SWOG-8897 found that the MPO genotype of breast cancer patients undergoing chemotherapy was associated with a lower risk of recurrence, and a high-activity MPO genotype was related to a higher survival rate among women treated with cyclophosphamide [129]

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