Research has shown that the spice known as cinnamon is a great thing to add to the diets of those who are dealing with obesity, insulin sensitivity and diabetes. Additional research now shows that the spice works really well in accordance with fat cells. The essential oil cinnamaldehyde, which gives the cinnamon its flavor, actually helps to burn away fat. The reason why this happens was previously not understood or well documented. Researchers at the University of Michigan had some questions about how this occurs and wanted a more complete understanding of this function so they set out to test how it happens.