Dr. Neil Iyengar is a medical oncologist at Memorial Sloan Kettering Cancer Center whose practice focuses on people with breast cancer.
His research is looking at the links between metabolic health and cancer, specifically looking at how diet, exercise, and medicines can prevent cancers tied to obesity, such as breast cancer, and improve outcomes for people with inflammation in fatty tissues.
Listen to the episode to hear Dr. Iyengar explain:

what intermittent fasting is and how it was developed

why some people think intermittent fasting could be a tool to prevent breast cancer

the research done so far

the risks of intermittent fasting and what people who want to try it should consider