Cancer cells must be able to convert nutrients to biomass while maintaining energy production. This phenomenon is increasingly recognized as a potential target for treatment, but also as a source for biomarkers that can be used for prognosis, risk stratification, and therapy monitoring. Prof. Tone Bathen - Breast Cancer Research at University of Norway and Dr. Christoph Trautwein - Group Leader Metabolomics and Systems Medicine at University Hospital Tübingen, Germany - are sharing with us interesting insights about their cancer research with NMR.