Discover articles on blood values, health and prevention. Clear, well-sourced explanations that help you understand your blood test and your results better.
The high lasts hours, the detection window days. That gap exists because a lab measures the metabolite, not the drug. Duration of effect and detection window, side by side.
How long drugs stay detectable depends on the substance, the test material and the person. See the detection window per substance in blood, urine, saliva and hair.
The 5-panel and 10-panel do not test for the same substances, and the Dutch panel deliberately differs from the American...
An employer cannot, as a rule, require a drug test, not even with your signature. What is allowed, what happens if you r...
A drug test during a job application is almost never allowed in the Netherlands. When a pre-employment examination is pe...
May your employer test you for drugs? In most jobs, no. Read when testing is allowed, which privacy rules apply and what...
The cut-off is the threshold above which a test is positive. See the typical cut-off values per substance and why the th...
A home strip gives an indication, a lab test a provable value. Read when a strip suffices and when you need a lab confir...
An innocent medicine or food can make a rapid drug test false positive through cross-reaction. See which ones and what t...
Urine, saliva or hair: each matrix covers a different time window. Compare the three test types and choose the test that...
How long drugs stay detectable depends on the substance, the test material and the person. See the detection window per...