act2 Prevent Diabetes

act2  Diabetes Prevention Program from Johns Hopkins Medicine

act2 is an interactive, year-long support and engagement program that empowers those at high-risk of diabetes to take charge of their own health and wellbeing. act2 evidenced-based lifestyle change program based on the National Diabetes Prevention Program (NDPP) developed by the Centers for Disease Control and Prevention (CDC), that offers proven results.

The Program

  • Structured, year-long lifestyle change program containing 32 modules for easy understanding
  • Choice-based activities designed for enhanced comprehension (conception/learning)
  • Engaging and supportive in-person environment
  • Interactive and supportive online meetings
  • Routine (reliable/consistent) feedback from committed lifestyle coaches
  • Helpful resources enhance self-monitoring skills
  • Tailored curriculum for low-literacy populations
  • John Hopkins-enhanced CDC-approved curriculum
  • Facilitated by trained staff
  • In person and web-based options to facilitate two-way communication
  • Online platform enables clinicians to easily track participant progress and manage load

act2 was created by Nisa Maruthur, M.D., M.H.S., associate professor of medicine at Johns Hopkins University and director of the Johns Hopkins National Diabetes Prevention Programs, and Katherine Michalski, R.D.N., director of intervention for the Johns Hopkins Diabetes Prevention Programs.


Nisa Maruthur, M.D., M.H.S., is an associate professor of medicine, at Johns Hopkins University, and the director of the Johns Hopkins National Diabetes Prevention Programs. She is an expert in diabetes prevention and treatment with a focus on comparative effectiveness and community-based interventions.

Katherine Michalski, R.D.N., is the director of intervention for the John Hopkins National Diabetes Prevention Programs and an expert in behavioral interventions to improve lifestyle. She was the lead interventionist for the Diabetes Prevention Program randomized, clinical trial.

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