WEEK 30 (2026) – The vitamin D mistake many of us make

WEEK 30 (2026) – The vitamin D mistake many of us make

Last week we talked about the heatwaves settling over Europe, the US, and other parts of the world, and the electrolytes we lose along with the fluid. A reader named Louise, living in Australia, got in touch to say hello, even though it’s the middle of winter...
WEEK 29 (2026) – The real reason you feel wiped out in this heat

WEEK 29 (2026) – The real reason you feel wiped out in this heat

This week, the focus is on something a lot of you are probably feeling right now: that flattened, foggy tiredness that extreme heat brings on, and that water alone doesn’t seem to fix. With heatwaves settling over large parts of the world, from Europe to the US...
WEEK 28 (2026) – Your body already makes this fullness hormone

WEEK 28 (2026) – Your body already makes this fullness hormone

Last week, we went back in time a bit, looking at how modern medicine came to sideline so many natural approaches. This week, I want to bring things right back to the present, and to something you can actually put on your plate today. You’ve probably heard of...
WEEK 27 (2026) – Why your doctor doesn’t mention this

WEEK 27 (2026) – Why your doctor doesn’t mention this

What Happened to Natural Medicine, and Why Nobody Told You We are halfway through the year. It feels like a natural moment to pause and to say something that sits behind much of what this newsletter has been building towards since January. Every week, we cover sleep,...
WEEK 26 (2026) – The habit that makes all your others work

WEEK 26 (2026) – The habit that makes all your others work

Why Sleep Might Be the Most Important Thing You Do All Day If you have come across Bryan Johnson in recent years, you will know he is not a conventional figure. The tech entrepreneur has spent considerable sums trying to slow and reverse his own biological ageing...