TAS2R38 and cancer: Although this contrasts with findings from earlier research suggesting that tasters may avoid bitter cruciferous vegetables and that an unhealthy diet might increase susceptibility to cancer, recent studies propose a diet-independent mechanism, which hypothesizes that the TAS2R38 genotype may serve as a biomarker for gastrointestinal function and non-tasters may inadequately eliminate harmful chemicals from the gastrointestinal tract [42, 117, 118].