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.
Strength first if you want to get stronger, cardio first if endurance comes first. But across 43 studies the order matte...
The much quoted trial reports +96.2 ng/dL. On a Dutch lab report that is about 3.3 nmol/L, and it came on top of eight w...
Every trial measured at eight weeks or sixty days. None reports a result after a few days, which makes most week-one exp...
KSM-66 is root only at 5 percent withanolides. Sensoril adds leaf at 10 percent. Powder is not an extract at all, and th...
Users report calm and better sleep. The one trial that measured how men actually felt found no difference against placeb...
Stomach upset and drowsiness are the common ones. Liver injury is rare but is why RIVM advises against it. These are the...
RIVM advises against ashwagandha supplements. The trials still measured real shifts in cortisol, testosterone and thyroi...
An overactive thyroid is one of the few causes of palpitations you can find with a tube of blood. Even results inside th...
A glandular fever test comes in two forms: the rapid heterophile antibody test and EBV serology. The first misses a shar...
Post-exertional malaise is a worsening that arrives 12 to 48 hours after effort and is out of proportion to what you did...
The long-term effects of glandular fever are limited for most people. Of 301 adolescents followed, 13 percent still had...
A low resting heart rate says nothing about your blood pressure. They measure different things, predict different things...
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