Hi friend,

I do not usually start an episode the way I started this one.

David Ewing Duncan is an award winning science journalist, bestselling author, and one of the most thoughtful voices covering the intersection of health, technology, and the future of human life. He has written books, broken stories, and spent decades interviewing some of the greatest minds on the planet.

But I did not want to start there.

David lost his dad just over a year ago. In his final hours, his father opened his eyes, looked directly at David, and said I'm so happy.

Three words. Said by a dying man. And David has been trying to understand what they meant ever since.

That question opened up one of the most wide ranging conversations I have had on this podcast. Happiness, human nature, longevity, AI, and what it really means to flourish as a human being.

And at the very end of our conversation, something unexpected happened.

David said those same three words back to me.

Most of us are chasing happiness like it is a destination.

Get healthy enough. Live long enough. Achieve enough. And then, finally, we will arrive.

David gently dismantles that idea.

He pointed to something Thomas Jefferson wrote into the fabric of America. Life, liberty, and the pursuit of happiness. Not happiness itself. The pursuit. And David thinks that word is everything.

Baroness Susan Greenfield, one of the world's leading neuroscientists, put it to David directly when he interviewed her twenty years ago. Happy people do not build civilisations.

That landed hard for me.

Because so much of what we talk about in longevity is framed around arriving at some optimal state and staying there. David is asking a different question. What if the striving is not the problem. What if it is the point.

He is also bracingly honest about the longevity industry. The science is real. But the gap between what is being promised and what is actually proven is growing. And that gap is where trust starts to break down.

What he thinks the antidote is, and the one surprising factor that all healthy people in their eighties share, is something you need to hear directly from him.

In this episode you will learn:

Become Your Own Skeptical Optimist

David calls himself a skeptical optimist. He believes in the science but he does not believe everything he reads about it.

This week pick one health trend, supplement, or practice you have never questioned. Not to abandon it. Just to understand it better. Spend ten minutes looking at the actual evidence. Not the headlines. The evidence.

Why: The gap between what is promised and what is proven starts closing the moment you start asking better questions.

Is AI really becoming conscious? I break down why that story isn’t what it seems and what’s actually happening behind the code.

We are living in a hinge moment. The door really could swing either way.

But David reminded me that we still have some say in which way it goes.
That is everything.
Use it.

Julian x