This is what happens to your mind and body when you stop smoking weed, with major changes peaking around one week in.

When you take a drug, where in your body does it actually go? For most medications, scientists can make only educated guesses about the answer to this question. Traditional methods can measure the ...

Across the United States, many employers include drug screening as an integral part of their hiring process. These employers believe that only a drug-free workplace can increase productivity and make ...