There is a lack of tools to measure the signatures of autophagy, making it difficult to dose nutrient deprivation effectively.

“we don't have the tools to measure the signatures of etaf adji in other words if a patient comes to me and says Peter I want to do whatever I can to enhance etaf adji because I have now bought into the idea that it is going to basically protect me from every chronic disease I would say yeah I agree with you and they say great fasting seems like a great way to do it I'd say you're absolutely right and they say well how long do I need to fast Peter guess what I get to say I don't know”