You may recognise this as a form of intermittent fasting – a general protocol made famous by Michael Mosley and his 5:2 diet. But does this mean we should all be intermittent fasting for optimal health? Read more: So, if intermittent fasting doesn’t work for weight loss then what does? Some people will report life-changing results from intermittent fasting; some will experience little change. The same can be said for research in many cases – some studies are for intermittent fasting, others are against it.