My favorite argument for food being more than just a percentual composition of nutrients is the fact that your gut is effectively able to smell.<p>&gt; Olfactory receptor responding to gut microbiota-derived signals plays a role in renin secretion and blood pressure regulation<p>[<a href="http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pmc&#x2F;articles&#x2F;PMC3600440&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.ncbi.nlm.nih.gov&#x2F;pmc&#x2F;articles&#x2F;PMC3600440&#x2F;</a>]<p>Beyond my scepticism regarding the long-term benefit of a simplification of eating down to relying to a single designed food source - I am also worried about the mindset of a person who is motivated in doing so.