I thought the same thing, about THC absorption into the lungs. If you inhale a shitload of smoke, holding it in for five seconds means that you're lungs are empty of smoke, after five seconds. I guess.
Quote Originally Posted by Az.
Excelent!!
could I ask where you got that from??
I want to read more about it.
"Respectable Reefer"
October 19 2005
Mother Jones Magazine
by Gary Greenberg

http://www.maps.org/sys/nq.pl?id=651&fmt=page
beachguy in thongs Reviewed by beachguy in thongs on . "You're really going to watch while I do this?" Emily, the healthy volunteer sitting in a half-lotus on a bed in room 29, is only going to smoke half of a joint, while David, the AIDS-related-pain patient reading his Bible in the room next door, won't smoke until tomorrow. Emily, 26, is outfitted for her six-day stay at the research center--during which she will take pot each day at precisely 10 a.m., alternating between smoking and taking it through a high-tech vaporizer device called a Volcano--with a stack of books and videos, a Rating: 5