Chemo à la carte.

Women with breast cancer love to be proactive about their health, but sometimes measures to diminish side effects can diminish treatment efficacy. A prospective correlative study of women receiving ACT for breast cancer on SWOG S0221 demonstrates concerningly large associations with uses of antioxidants, iron, and/or vitamin B12 and increased risks of recurrence and even death. | Ambrosone, J Clin Oncol 2019