Featured by Sam Eifling
Synthetic Marijuana: What Is It, And Is It Riskier Than Regular Pot?
Synthetic marijuana has been shown to get people good and high. But this is not your parents' weed.
FYI: How much caffeine would it take to kill you?
A lawsuit over the death of a 14-year-old girl raises new questions about how much caffeine is too much--and what other nefarious factors might come into play.