I'd like to see the statistics on that. Marijuana used to be illegal, so a lot of use was hidden. Also, 5 hour energy is just caffeine and I highly doubt that

I'd like to see the statistics on that. Marijuana used to be illegal, so a lot of use was hidden. Also, 5 hour energy is just caffeine and I highly doubt that caffeine usage in the US has changed significantly (from ubiquitous) over the past few decades.