Effect of the Thrive AI Health App on Lifestyle Behaviors and Quality of Life

After consenting to participate in the study, adults who are overweight, have obesity, prediabetes, or type II diabetes will complete online questionnaires and attend an in-person visit. The questionnaires measure: Diet; Physical activity; Sleep quality; Quality of life During the visit, the following will be measured or performed: Height; Weight; Blood pressure; Blood sample collection; 6-minute walk test Participants will then be randomly assigned to one of two groups: 1. Thrive AI Health app intervention group. The Thrive AI Health app uses artificial intelligence (AI) to give personalized advice. It is designed to help people eat better, exercise more, manage stress, and sleep well. 2. Wait-list control group Those in the intervention group will be give a Fitbit which will by synched with the app. After 12 weeks, participants will complete the questionnaires and clinic visit assessments again. Following the 12-week assessments, those in the wait-list group will gain access to the Thrive AI Health app for 12 weeks and will complete online questionnaires at the 24-week mark. When participants in the wait-list group gain access to the app, they will also start wearing a Fitbit, which will be linked to the app.