Causal Variant (IMAGE) NIH/National Human Genome Research Institute Caption Researchers will look for approaches that can find the causal variants out of the many variants associated with a disease. Credit Ernesto Del Aguila III, NHGRI Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.