This simple graph shows how long different drugs remain in your blood

Business Insider has produced this fascinating graph detailing the amount of time various legal and illegal drugs remain detectable in your blood. Most drugs are no longer detectable after a couple of days. The giant exception is marijuana, which remains detectable for two whole weeks.

This article was originally published by The Influence, a news site that covers the full spectrum of human relationships with drugs. Follow The Influence on Facebook or Twitter.

One of the troubling implications of this disparity is in the context of prison drug-testing regimes, where the much higher risk of detection of marijuana use creates an incentive for those who wish to use drugs to switch to more dangerous substances.

This article was originally published by The Influence, a news site that covers the full spectrum of human relationships with drugs. Follow The Influence on Facebook or Twitter.