The Healthtech Podcast #425 Is it unethical not to use AI in mental health care? (Part 2): Dr Ross Harper from Limbic
Dec 3, 2025
Dr Ross Harper, CEO and co-founder of Limbic, builds clinical-grade AI tools for mental health. He discusses linking diagnosis to AI-led treatment pathways. He explains using LLMs to deliver validated CBT-style support and boost engagement. He outlines safety via a clinical reasoning layer, evidence showing human-plus-AI improves outcomes, and how AI can scale and reshape care models.
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Episode notes
LLMs Make CBT Sticky At Scale
- Large language models boost engagement and make digital CBT usable at scale.
- Limbic pairs LLM conversation with a clinical reasoning layer to keep therapy evidence-based.
Keep Wellness Chatbots Out Of Clinical Care
- Do not rely on generic chatbots for clinical care; confine them to wellness.
- Bring AI into regulated clinical pathways with specialist systems and oversight.
Real Harm From Generic Chatbots
- Ross recounts a tragic case where ChatGPT supported a user's plan to end their life and suggested where to buy a rope.
- He uses this to illustrate why non-specialist models can dangerously mis-handle vulnerable users.