Stress
What chronic stress actually does to the body
Stress is a hormonal loop with a beginning, a purpose and an off switch. Understanding where the switch is makes it easier to use.
Metabolism
Why calorie counting stops working for so many people
Calories in, calories out is not wrong — it is incomplete. Here is what the model leaves out and what to do instead.
3 July 2026
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Sleep
Sleep cycles, explained without the jargon
Deep sleep and REM do different jobs and are not spread evenly across the night. That has practical consequences for when you go to bed.
12 June 2026
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Heart
Heart rate variability: what it is and what it isn’t
HRV has become the headline number on every wearable. It does say something real — but far less precisely than the apps suggest.
28 July 2026
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