Cited Works
http://dictionary.reference.com/browse/brain
http://dictionary.reference.com/browse/heart
http://www.thefreedictionary.com/Lungs
http://dictionary.reference.com/browse/liver
http://medical-dictionary.thefreedictionary.com/Pregnant+women
http://www.mydr.com.au/addictions/ecstasy-effects-on-the-body
http://www.drugabuse.gov/publications/marijuana-abuse/how-does-marijuana-use-affect-your-brain-body
http://www.cdc.gov/tobacco/data_statistics/fact_sheets/health_effects/effects_cig_smoking/
http://www.webmd.com/mental-health/cocaine-use-and-its-effects
http://dictionary.reference.com/browse/heart
http://www.thefreedictionary.com/Lungs
http://dictionary.reference.com/browse/liver
http://medical-dictionary.thefreedictionary.com/Pregnant+women
http://www.mydr.com.au/addictions/ecstasy-effects-on-the-body
http://www.drugabuse.gov/publications/marijuana-abuse/how-does-marijuana-use-affect-your-brain-body
http://www.cdc.gov/tobacco/data_statistics/fact_sheets/health_effects/effects_cig_smoking/
http://www.webmd.com/mental-health/cocaine-use-and-its-effects