I suggest some of Lyle McDonalds articles for a start, for example<p><a href="http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;fat-loss&#x2F;how-we-get-fat.html&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;fat-loss&#x2F;how-we-get-fat.htm...</a><p><a href="http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;fat-loss&#x2F;the-fundamentals-of-fat-loss-diets-part-1.html&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;fat-loss&#x2F;the-fundamentals-o...</a><p><a href="http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;fat-loss&#x2F;the-fundamentals-of-fat-loss-diets-part-2.html" rel="nofollow">http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;fat-loss&#x2F;the-fundamentals-o...</a><p>In case you like his writing, he&#x27;s the author of a couple of high quality books.<p><i>So cutting down on the sugar should tell the body to use more fat as an energy source, yes?</i><p>Actually, he answers that almost directly here:<p><a href="http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;nutrition&#x2F;nutrient-intake-nutrient-storage-and-nutrient-oxidation.html" rel="nofollow">http:&#x2F;&#x2F;www.bodyrecomposition.com&#x2F;nutrition&#x2F;nutrient-intake-n...</a>