Large language models for promoting physical activity: a review of experiential and behavioral outcomes, social roles, and human-likeness in persuasive LLMs - Takeaways - MDSpire

Large language models for promoting physical activity: a review of experiential and behavioral outcomes, social roles, and human-likeness in persuasive LLMs

  • By

  • Alessandro Silacci

  • Arianna Boldi

  • Maurizio Caon

  • Amon Rapp

  • July 8, 2026

  • 0 min

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  • 1

    Large Language Models (LLMs) enhance conversational agents for health behavior change, enabling more human-like interactions than previous systems.

  • 2

    The review analyzes 13 studies on LLM-based agents for physical activity, highlighting positive user engagement but limited evidence on sustained physical activity impact.

  • 3

    LLMs can adopt various social roles, influencing relational dynamics between users and agents in the context of physical activity promotion.

  • 4

    Users tend to anthropomorphize LLM-based agents, which can increase emotional investment but may lead to over-reliance and unrealistic expectations.

  • 5

    The review discusses ethical concerns regarding the persuasive capabilities of LLMs, including agency redistribution and users' perceptions of humanness.

Original Source(s)

Large language models for promoting physical activity: a review of experiential and behavioral outcomes, social roles, and human-likeness in persuasive LLMs

  • by Alessandro Silacci, Arianna Boldi, Maurizio Caon, Amon Rapp

  • July 8, 2026

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