Quote Originally Posted by DazedandConfused
alright i did read what you posted, and it says...

"There is almost no Delta-9-THC left over a few hours after smoking marijuana"

and even before that it says that Delta-9-THC is what gets you high..

so if thats true, that there is almost none left in our bodies a few hours later, then how do we build a tolerance to it? If there isn't any left in us shouldn't we be able to get just as stoned the next day, and the next, and the next...
thats because your brain reduces cannabinol receptors upon repeated exposer to thc which makes it so you need more of the drug, this is also why there is a limiti to how high someone can get