Testing

Cannabis drug testing, explained without the panic

Home kits, lab confirmations, detection windows and the myths that won't die — straightforward education for U.S. consumers.

Cannabis drug tests look for THC metabolites in urine, saliva, hair or blood. Here's how each method works and what it actually detects.

How at-home cannabis drug test kits work, what cutoff levels actually mean and how to read your results without panicking.

Cannabis drug tests vary wildly in what they detect and how far back. Compare urine, saliva and hair testing on accuracy, window and cost.

How long THC stays in your system depends on test type, frequency and body fat. Real detection windows for urine, saliva, hair and blood tests.

Detox drinks, niacin, cranberry juice, secondhand smoke — separating cannabis drug testing myths from what the science actually shows.