metabolomics

A new study links propionate, a food preservative, to alterations in our metabolism, increasing the production of glucose, at least in one mammal: mice. The evidence of an effect on humans is based on 14 lean humans and two meals.
This allergy test, a sometimes unpleasant childhood right of passage, may be a thing of the past someday. New research shows that a urine test can determine if a person has an allergy to a specific substance.