Spotted this yesterday and thought it worth posting. If you read around the topic of obesity there are various hormones that get mentioned - leptin, insulin, Peptide YY and others. Ghrelin is another one that pops up occasionally: a hunger stimulating hormone.
Ghrelin Levels Increase After Pictures Showing Food
With a background of regular meals, these researchers showed various photos to the subjects: food and "neutral" images. The findings suggest that sight of food elevates ghrelin levels.
Interesting but obvious too? Seeing food makes you hungry.
I wonder if all this has something to do with the obesity epidemic too. Images of food are everywhere. Appetites through the roof. People are eating more and getting fatter.
Be careful what you spend your time looking at.
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