Rapid fat loss, keep the muscle— has the optimal combo of diet and exercise been found?

Combining intermittent fasting days with cardio = Double the fat loss, retain muscle mass, improve cholesterol…

A study that compared the effects of intermittent fasting by itself, cardio by itself, or the combination of both may have found the optimal setup for rapid fat loss whilst maintaining muscle mass (and as a bonus, had the best improvement in LDL cholesterol levels).

Losing fat while not losing muscle is hard to do, so this study may have found an…