You heard correctly: the LEAP MRT test by Signet Diagnostic is the next generation of food sensitivity testing from the ALCAT. Where the ALCAT is limited to looking for antibodies which may or may not be present at the moment of the blood draw, the MRT instead looks for the release of mediators (like histimine) which cause an inflammatory response regardless of antibody creation or not. The MRT blood test identified 41 sensitivities in my 6-year old, and LEAP took him...