The Effect of Fasting on Metabolism and Chemotherapy Related Treatment: A Review

Abstract

DOI:https://doi.org/10.5281/zenodo.17233903

Although fasting can be an effective strategy for managing obesity, it should be practiced thoughtfully, with individualized plans that prioritize long-term health and well-being. Research on pairing fasting with chemotherapy is still developing, so any such approach must be carried out under the strict supervision of the patient’s oncology team. To safely include fasting in a cancer treatment regimen, it’s vital to choose suitable patients, provide ongoing monitoring, and tailor the plan to each individual’s needs. Since fasting’s impact on blood sugar control can differ from person to person, careful tracking of glucose levels is especially important for people with diabetes or other health conditions. When used properly, fasting may support the effects of diabetes medications in controlling blood sugar. Additionally, the timing and length of fasting sessions can affect how cancer cells respond, with shorter intermittent fasting possibly helping to trigger cancer cell death more selectively, while extended fasting might offer extra advantages. Overall, expert guidance, personal assessment, and vigilant monitoring are key to safely incorporating fasting, reducing risks, and enhancing its potential benefits.