Looking at pictures of appetizing food can make you hungry, according to a new study. Max Planck researchers have documented a study on healthy young men that proves that the amount of the neurosecretory protein hormone ghrelin in the blood increases as a result of visual stimulation through
images of food.
As a main regulator, ghrelin controls both eating behaviour and the physical processes involved in food metabolism.
These results show that, in addition to the physiological mechanisms for maintaining the bodys energy status, environmental factors also have a specific influence on food consumption. Thus, the pervasive presence of appetising food in the media could contribute to weight increase in Western populations.
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