Virtual fitness buddy ecosystem: a mixed reality precision health physical activity intervention for children.

6-11-year-old children provide a critical window for physical activity (PA) interventions. The Virtual Fitness Buddy ecosystem is a precision health PA intervention for children integrating mixed reality technology to connect people and devices. A cluster randomized, controlled trial was conducted across 19 afterschool sites over two 6-month cohorts to test its efficacy in increasing PA and decreasing sedentary behavior.

Parents' early life stressful experiences, their present well-being, and that of their children.

Parents' early life stressful experiences have lifelong consequences, not only for themselves but also for their children. The current study utilized a sample of military families (n = 266) including data from both active-duty and civilian parents and their adolescent children. Hypotheses reflecting principles of persistence, transmission, and proximity as pertaining to parents and their children were examined.