Depends. How screwed up is your metabolism? If it isn't bad, then you can probably go with the eat when properly hungry strategy. If it is bad (significant obesity and other issues) then you really need to start getting well before you start messing around with fasting
Four years Primal with influences from Jaminet & Shanahan and a focus on being anti-inflammatory. Using Primal to treat CVD and prevent stents from blocking free of drugs.
Eat creatures nose-to-tail (animal, fowl, fish, crustacea, molluscs), a large variety of vegetables (raw, cooked and fermented, including safe starches), dairy (cheese & yoghurt), occasional fruit, cocoa, turmeric & red wine