You or I would never do drugs, or attempt to cheat on something as important as a drug test. But perhaps you have a “friend” who is curious about how the tests work. Here’s what your “friend” needs to know.
You or I would never do drugs, or attempt to cheat on something as important as a drug test. But perhaps you have a “friend” who is curious about how the tests work. Here’s what your “friend” needs to know.