Today we speak to David Erritzoe (Clin Associate Professor in Psychopharmacology & Psychiatry) .

A leading researcher in the science of psychedelics, addiction, and mental health, David joins us to unpack what’s actually happening in the brain when patterns break, beliefs loosen, and change becomes possible. Together, we explore the tension between biology and meaning, evidence and experience — and what modern neuroscience can (and can’t) tell us about transformation.

This conversation sits right at the heart of the journey: a moment to question assumptions, re-examine what we think we know about the mind, and consider how altered states — whether clinical, chemical, or contemplative — might reshape the stories we tell about ourselves.

• David is a highly cited scientist (top 0.1% globally in 2025, Clarivate), and in 2025 received Imperial’s President Award for Excellence in Research, and his team has received several additional awards in recent years. David and his team have been awarded competitive grant & fellowship funding, hereunder from MRC/UKRI, NIHR and Welcome Trust. David has published 150+ scientic papers, contributed to 7 books (incl author of 6 book chapters), an per Dec 2025 has a Scopus h-index of 54 and 19k+ citations.

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For today's episode ofThe Midpoint I’m joined by bestselling author Alexandra Potter.

Alexandra is the author of numerous romantic comedy novels, including One Good Thing and Confessions of a Forty-Something F**k Up — one of the bestselling books of 2022 and the inspiration behind a major TV series. Her books have sold in more than twenty-five territories, with worldwide sales of over one million copies, and have topped bestseller charts around the globe.

In this episode, we talk about the reality behind those success stories — what it means to navigate change, uncertainty, and reinvention in midlife, both creatively and personally. Alexandra shares her honest reflections on identity, ambition, and learning to trust yourself when the path ahead isn’t clear.

She has found that most of her success has come after the age of 40 - the perfect story to inspire is all in midlife!

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This week’s episode of the MidPoint is a little different. It’s brought to us in collaboration with our friends at One Day Tests.

I was drawn to working with One Day Tests as a lot of the information I have around my health is based on instinct or long-term changes, but I wanted to see if the nuances of what my blood could tell me would make a difference to my habits.

We are fed a lot of information about how we are living longer and what is good for us, and then a lot of information about opposite - our health challenges and lifestyle problems.

I sat down with Medical Director Dr Adam Staten and Kate Davies, Clinical lead for Women's Services at One Day Tests to chat about what a lot of this really means and how understanding out biomarkers can give us a confidence to making positive changes. Let us know on Instagram what minor changes you’ve made that have had a proper impact.

For more information visit www.onedaytests.com and for £10 off use code GABBY10.

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