The New Science of Drug Testing: The Sewers Never Lie

Scientists are dipping into city sewers in search of drugs. Why? The same reason people on parole take urine tests instead of surveys. You can always lie on a questionnaire; outwitting your toilet, on the other hand, can be a bit more challenging. » 9/19/12 9:25am 9/19/12 9:25am

Participate in the largest drug-use survey ever conducted

Drugs play a huge role in our lives, but it's hard to find in-depth research on how people take them and what effect it has on their lives. Here's your chance to help change that. » 11/25/11 11:30am 11/25/11 11:30am