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(06/03/2026) Researchers from VA Ann Arbor Health Care Services worked with other researchers to develop several considerations for health intervention apps. Reinforcement learning algorithms help app-based interventions to determine the best times to send reminder notifications, personalized for the user, to encourage positive changes in health behavior. In particular, this study looked at a recent trial of a sodium reduction app to identify challenges, and their solutions, during the deployment of online algorithms in clinical trials. Their work to balance personalization and computer learning with computation ability and robustness contributes to the growing body of literature on AI development. (Science Direct, May 28, 2026)