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A single testosterone value says little. Which symptoms matter, which five blood values tell the story together, and which dials you can actually turn.
What does your testosterone result actually mean? How to read total, free and SHBG together, and which reference ranges fit each age.
A resting heart rate of 45 is normal in a trained endurance athlete and a reason to call your GP in a non-athlete. Here...
The internet says: flatten every curve. For someone training in an hour that is bad advice. Same spike, different verdic...
A deload is not a reward and not a fixed fourth week. It is an intervention with a reason. These are the signals that ma...
The reference range on your lab report was built for people who do not train. In trained men the normal upper limit runs...
Massage comes out strongest in the meta-analyses, stretching does almost nothing. Here is the honest ranking of recovery...
Muscle recovery usually takes 24 to 72 hours, and almost everything you read about speeding it up is a tip with no measu...
Calculating calories gives an estimate, tracking makes it useful. See why your count is off, how accurate it needs to be...
Sleep, stress, a bug and your training itself all push the same button. Here is how to tell a one-off high reading from...
You can pinch subcutaneous fat. Visceral fat you cannot, and it talks to your blood values, which explains the lean athl...
An MCV above 100 fl means your red blood cells are larger than normal. In Dutch general practice, alcohol and a B12 defi...
Gut flora demonstrably differs between athletes and non-athletes. Whether a 200 euro microbiome test tells you anything...
Endurance training dilutes your blood with extra plasma, so your red blood cells read low while nothing is wrong. Here i...