THC traces tend to appear about 5 days after you smoke weed. They remain in your hair until you cut it. What’s worse is that a hair follicle test can be performed using hair from anywhere on your body—even pubes. You could of course shave your head and your entire body including yo...
the league increased the threshold required to trigger a positive result from 35 nanograms of THC per millilitre of urine to 150 nanograms, bringing it in line with the standards of the World Anti-Doping