RecruitingDiagnostic testSouth Asians and Coronary Plaque RegistryIndividuals who self-report as SAs will be recruited to participate in this registry as well as non-SA controls for comparison. All individuals who consent to participate will 1) complete a survey assessing demographics, medical history, family medical history; 2) have blood collection; 3) and CCTA assessment. These data will be combined with clinical data from the electronic health record and, if applicable, the Dallas Hearts and Mind Study and other research studies, for research purposes. The registry will serve to generate primary observations as well as preliminary data for future studies.