Read More:

The Confusing Science of Stoned Driving
motherboard.vice.com/blog/the-confusing-science-of-stoned-driving
"The trick, when it comes to marijuana and driving, involves determining what exactly "dangerously impaired" means."

Cannabis / Marijuana
nhtsa.gov/People/injury/research/job185drugs/cannabis.htm
"Marijuana is a green or gray mixture of dried shredded flowers and leaves of the hemp plant Cannabis sativa. Hashish consists of resinous secretions of the cannabis plant."

Smoke and Mirrors: Driving While High on Marijuana Doubles One's Chances of a Serious Car Crash
blogs.scientificamerican.com/observations/2012/02/09/smoke-and-mirrors-driving-while-on-marijuana-doubles-ones-chances-of-a-serious-car-crash/
"Booze is behind an estimated 2.1 million car accidents each year in the U.S.-which cause almost 11,000 traffic fatalities annually."

DWI Versus DW-High
slate.com/articles/health_and_science/explainer/2011/11/does_marijuana_make_you_a_more_dangerous_driver_than_alcohol_.html
"Is it more dangerous to drive drunk or stoned?"

Determining if you're driving stoned: What police will look for
katu.com/news/local/Determining-if-youre-driving-stoned-What-police-will-look-for-washington-marijuana-law-181936761.html
"When possession of small amounts of marijuana becomes legal in Washington in three days, there will be a DUI limit of five nanograms of THC that you can have in your blood."


Watch More:

Pot: Medicinal or Not?:
testtube.com/dnews/dnews-340-is-medical-marijuana-as-helpful-as-we
Depressed? Have Some 'Shrooms:
testtube.com/dnews/dnews-254-could-psychedelic-shrooms-treat
Too High on Caffeine:
testtube.com/dnews/dnews-366-is-caffeine-making-us-crazy