Bibliography

http://www.drugfreeworld.org/drugfacts/marijuana/short-and-long-term-effects.html

http://www.livescience.com/24553-what-is-thc.html

http://www.lung.org/associations/states/colorado/tobacco/marijuana.html

http://www.lung.org/stop-smoking/about-smoking/health-effects/marijuana-smoke.html

http://www.sciencedaily.com/releases/2014/04/140423170900.htm