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Hunger hormone helps nose smell food

April 14, 2011 12:00:00 AM PDT
Have you ever noticed the smell of food seems more appealing when you're hungry? It may not be your imagination.

According to a new study at the University of Cincinnati, ghrelin, the same hormone that stimulates appetite may also increase the ability to smell food.

Scientists tested the affect on both people and rats.

They say smell is an important part of eating, so it makes sense that your nose becomes more sensitive when your body needs food.