As you try to bounce back from Thanksgiving this year, a molecule produced in the small intestine will be swarming through your bloodstream, ready to register on your brain the impact of the fat you've just consumed.
For now, the signal might keep you feeling full for a while. But, researchers are hoping that one day variations of this family of hormones -- known as N-acylphosphatidylethanolamines, or NAPEs -- can be used to control appetite and therefore obesity.
