Italiano
As George Eliot said:
“No man can be wise on an empty stomach.”
And it’s funny how the poetess came close to a truth (near to be) proven by several studies more than a century later.
Ghrelin, discovered in 1999, is a hormone produced in the stomach. In short, it is responsible for our sense of appetite.
Hence, its catchy nickname: the “hunger hormone“.
Some scientific research has shown how high levels of ghrelin in the blood lead to impulsive behavior in mice: “The Stomach-Derived Hormone Ghrelin Increases Impulsive Behavior“, University of Gothenburg.
Lydia Ashton, a scientist from University of Wisconsin-Madison, conjectured how ghrelin can impair the decision-making process (in humans!).
A high level of this, in fact, leads to impatience and, possibly, to a lowering of the level of concentration and to quick and poorly reasoned choices.
And a few more recent research followed, all pointing out how ghrelin is directly implicated in well-being, mood disorders, and even social cognition (see “The metabolic mind: A role for leptin and ghrelin in affect and social cognition“, by J .MacCormack, K.Muscatell, University of North Carolina at Chapel Hill)
In conclusion: although we are still far from scientific certainty, all the evidence points to the fact that, when an important decision needs to be made, it is better to do it on a full tummy.
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