It has been suggested that cancerous cells have an intrinsic dependence on glycolysis. The induction of ketosis (the production of ketone bodies), may reduce malignant cell growth
1)2)3)4)5).
Role of glucose and ketone bodies in the metabolic control of experimental brain cancer. Seyfried TN, Sanderson TM, El-Abbadi MM, McGowan R, Mukherjee P. Br J Cancer. 2003;89:1375–1382.