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Mind Over Milkshakes and the Ghrelin Response

I’ve written a lot about the the physiology of appetite and bodyweight regulation over the years.    And while I tend to focus on the physiology of it, it’s important to realize that humans are not just a stomach and a nervous system (as is the case in many animal models).  Rather, our appetite and actual food intake can be modified by psychological factors.     So today I want to look at a paper that’s been getting some press dealing with the issue of mindset and how it impacts appetite.  The paper is:

Mind over milkshakes: Mindsets, not just nutrients, determine ghrelin response.  Crum AJ et. al.  Health Psychol. (2011) 30(4):424-9.

Human Appetite Regulation

As I’ve written about previously, human appetite regulation is incredibly complex, involving the complex interplay of hormones, the nervous system, nutrients and the bloodstream and more.  More here includes mental state, stress, environmental factors and many others.

The research on this dates back decades and early models focused on the presence of glucose, amino acids or fatty acids in the bloodstream.   … Keep Reading