More and more folks are becoming cannabis-curious when it comes to weed for medical conditions. Researchers, too, are hopping ...

While hair follicle tests are susceptible, they are also more expensive and less commonly used than other methods. Regular or chronic cannabis users are more likely to test positive for THC ...

Hair follicle testing has ... that exercising before a drug test can help you pass, but a small 2013 study found cardio exercise actually increased blood THC levels in regular cannabis users ...

Hair follicle tests can assess drug ... illegal — it's essential to be wary of a drug test in coming days. Here's what we know about marijuana in the system. Blood tests typically only detect ...

Urine tests are the most widely used form of drug screening, especially in pre-employment situations and random workplace ...