Inclusion Criteria:  Adults ≥ 18 years of age at Visit 1. Self-reported Hispanic/Latino heritage. Self-reported diagnosis of type 2 diabetes OR self-reported as at risk for developing type 2 diabetes OR healthy individuals who are not at-risk or have diabetes (healthy controls). Based on staff's judgment, the subject must have a good understanding, ability, and willingness to adhere to the protocol and to participate in the video-recording part of the study. Exclusive and continuous use, for the 2 week participation period, of a study-compatible smartphone.  Exclusion Criteria:  Currently taking insulin as treatment for diabetes. Pregnant. Any active clinically significant disease or disorder, which in the investigator's opinion could interfere with the participation in the trial. Mental incapacity, psychiatric disorder, unwillingness or language barriers precluding comprehension of study activities and informed consent. Current participation in other trials involving medications or devices. Meets criteria for substance use disorders as defined by DSM-5 (e.g., abuse of alcohol, narcotics, or illicit drugs). Self-reported diagnosis of bipolar disorder, schizoaffective disorder, schizophrenia or antisocial personality disorder. At high risk for suicide based on staff judgement. Neuromuscular disease.