<span>three to four days or so</span>
The answer is viruses change their form when the immune system knows how to kill it and thats how they trick the immune system and viruses are much smaller than bacterias
I would say LUNGS as when you are smoking marijuana you are usually inhaling it into the lungs
Studies between the effects of marijuana on the brain are still in progress but I don’t think you will get brain cancer from smoking so I would say the lungs on this one