No, only its inert metabolites remain in the body.
could be an issue if you are a surgeon, airline pilot, stock broker, etc. where decisions must be quick, clear, and accurate.
Alcohol hangovers could be an issue for those people, too. What's your point?
They do when the logic is "flawed."
There is ample evidence that even recreational use of cannabis affects short term memory. Short-term memory (STM)is essential for consciousness. The aspect of transience—namely rapid decay of the information input, represents a primary characteristic of STM. Limited processing capacity is another characteristic that is strongly associated with short-term memory. STM is the seat of reasoning, cognitive ability and function.
See:
See Kyllonen, P.C. & Christal, R.E. (1990). Reasoning Ability is (Little More Than) Working Memory Capacity?! `Intelligence, 14, 389-433.
Alcohol hangovers could be an issue for those people, too. What's your point?
My point? Maybe when someone hands you a joint and says, "Hey man, wanna get stupid?" you should take it literally! :)