• Marijuana, hash and hash oil all come from the Cannabis sativia plant.
• The chemical in cannabis that causes you to feel high is called THC.
• How you react to marijuana, hash and hash oil depends on how much THC there is in the drug.
• Marijuana smoke has many of the same chemicals as tobacco smoke. These chemicals include carbon monoxide and benzopyrenes.
• Marijuana smoke is not filtered and you hold it deeper in your lungs than you do with tobacco smoke. This increases your lung’s exposure to cancerous chemicals.
