Healthcare Triage Merchandise! http://dft.ba/-HCTmerch How much does weed affect your driving? Why is it on the news so much? This is Healthcare triage News. For those of you who want to read more, here's the report I reference: http://www.nhtsa.gov/staticfiles/nti/pdf/812117-Drug_and_Alcohol_Crash_Risk.pdf John Green -- Executive Producer Stan Muller -- Director, Producer Aaron Carroll -- Writer Mark Olsen -- Graphics http://www.twitter.com/aaronecarroll http://www.twitter.com/crashcoursestan http://www.twitter.com/johngreen http://www.twitter.com/olsenvideo