Discover articles on blood values, health and prevention. Clear, well-sourced explanations that help you understand your blood test and your results better.
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.
Low lymphocyte count on your result? A hard session can push your value down for hours. Here is how to tell whether you...
Dark urine after exercise is usually just fluid deficit. Occasionally it is not. The colour ladder, the three red flags...
Granulocytes are the largest group of white blood cells. Your lab report splits them three ways, and the percentage besi...
A low HRV score is usually noise and sometimes a signal. Here is how to tell them apart, in four tiers, and which blood...
Your HRV status comes from overnight readings your watch compares to your own baseline. Here is what the colours mean an...
RMSSD tracks your recovery day to day, SDNN your total load over longer periods. Here is which metric your watch shows a...
A good HRV value does not exist apart from the metric, the recording window and your age. Here is which number belongs t...
Your autonomic nervous system runs your heart rate, digestion and recovery without you thinking about it. Here is how th...
Creatinine alone is not enough for a muscular body. Here is the minimum panel, the fuller one, and how to make sure the...
Your HRV is the variation between heartbeats, measured in milliseconds. Here is what the number does say about recovery,...
Your VO2max is the ceiling of the room. Your lactate threshold decides how high under it you can live. For your ten kilo...
Your fitness is a chain from lungs to muscles, and your blood sits in the middle of it. Here is the link that most often...
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