The long-term neuro-toxic effects, which can ultimately result from inhalant abuse, can include damage to the brain that is involved in controlling cognition, movement and vision.
Slang terms for marijuana are pot, ganga, weed, grass and 420.
The number of lifetime non-medical users of OxyContin rose from an estimated 221,000 in 1999 to 399,000 in 2000.
The fentanyl patch is a slow-release form of the drug, and is 100 times more potent than morphine.