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The ferritin self-test provides an initial indication.
The ferritin self-test provides an initial indication The key points at a glance A rapid test and a laboratory value do not answer the same question for ferritin. One checks a threshold; the other provides a number. There is an...
Vitamin D in summer: levels don’t rise automatically
Vitamin D in summer: the level does not rise automatically The essentials It is documented that vitamin D levels rise in summer. IQWiG states this explicitly, and this article does not contradict it. But the season is only one of...
Selenium and zinc: two values with a measurement problem
Selenium and zinc: two values with a measurement problem The essentials at a glance Both trace elements can be measured in the laboratory. What the specialist literature says about this is unusually cautious, and for selenium it is even explicitly...
TSH self-test and lab test: what each one can do
TSH self-test and laboratory value: what each one can do The essentials at a glance Both approaches measure the same substance, and they provide two different types of result. A rapid test at home uses a fixed threshold, while a...
Vitamin D, zinc, and CRP: three values, three insights
Vitamin D, zinc, and CRP: three values, three statements The key points at a glance These three values appear one below the other on many test reports, which can easily create the impression that together they provide a picture. We...
Silent inflammation: what CRP reveals about it
Silent inflammation: what CRP shows about it The key points at a glance In the sources we reviewed, we did not find the term “silent inflammation” used as a disease designation. What we did find is something different and more...
Cholesterol levels change more slowly than many people expect.
Cholesterol levels change more slowly than many people expect The key points at a glance The most common question about cholesterol is a question about the pace. The sources answer it differently than expected: They do not quantify how quickly...
CGM or HbA1c: What a sensor on your arm cannot replace
CGM or HbA1c: what a sensor on your arm does not replace The essentials Continuous glucose monitoring sensors have moved from diabetes treatment into everyday life. This raises a question that no one had before: Does a sensor on the...
Exhaustion despite normal cortisol levels: what matters then
Exhaustion despite a normal cortisol level: what matters then The essentials at a glance An unremarkable cortisol level does not disprove exhaustion. It says only that the concentration was within the expected range at the time the blood was drawn....