Fatty Foods Make You Hungry

We've always thought that our feelings of hunger stem from an empty stomach but, recent research shows that it is in fact the presence of fatty foods in our stomach that results in the hunger sensation. Ghrelin is the so-called "hunger hormone" that is involved in this process. It also stimulates the uptake of nutrients and facilitates the storage of fat in the body. However, ghrelin does not function by itself; it needs to be activated. For this to happen, it must be combined with a fatty acid. There is a specific enzyme called ghrelin O-acyl transferase, or GOAT, which enables the fatty acid to be added to the hormone in a process called acylation. High concentrations of ghrelin are found in the body prior to meals and after eating the levels decline. For over a decade the thinking has been that ghrelin accumulates during the periods when we are not eating and that the fatty acids which are required for the activation of the hormone were produced by the body during this time as well. Now, according to research published in the June 5, 2009 edition...
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