Have you ever been walking down a road one day, pass a bakery overflowing with the smell of warm, freshly baked bread and instantly notice how hungry you are? Ever have the mouth-watering aroma of chopped garlic waft into your bedroom and suddenly you’re dying for dinner to be ready?

It’s pretty clear that there is some sort of connection between your sense of smell and hunger. Have you ever wondered just why that happens? New research shows that the reason behind this could lie at the cellular level.

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