110 artykułów
Four times four minutes hard delivered 7.2 percent in eight weeks; easy distance work delivered nothing. Here is the pro...
Your watch does not measure oxygen, it calculates. A December 2025 review lined up thirteen studies. Here is the error m...
For a man of 40, good sits around 38 to 42 ml/kg/min; for a woman of 40, around 33 to 37. Here is where those tables com...
Four measurement errors shift your waist by three centimetres. Here is how to measure consistently and how the number re...
Stress demonstrably changes how your gut works, right down to the permeability of the gut wall. What actually happens, a...
A dirty bulk mostly delivers fat. Here is how to keep your surplus small, and how your blood shows when it is time to st...
A clean bike test says less than you think. I work out why an abnormal result in a fit thirty-something is more often fa...
Cutting too hard costs you muscle and more. Here is how to keep the pace workable, and how your blood shows when you hav...
Most sports supplements are noise. A handful genuinely work, and for the rest a blood value decides whether you need it....
Increased intestinal permeability is a real, measured phenomenon. Leaky gut as a standalone diagnosis, and the zonulin t...
Two rest days a week is a starting point, not a law. Your training is only part of your load. Here is how to work out wh...
One page says it is completely normal, the next says it might be dangerous. There is a measured boundary, and it makes t...
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