We think when people are in the process of becoming addicted, their brains form these new connections. The Economist: Earlier studies have focused only on (how) tetrahydrocannabinol (THC, the main psychoactive component of pot) affects the brains of animals or intensive, dependent human users - and found evidence of impaired learning, memory, attention and decision-making
The technology and hardware are nearly the same
The one-word answer to this question is simply convenience. With a one hitter, you can easily and discreetly take a puff whenever you want to, no matter where you are (within reason, of course)
For example, for unknown reasons Imperial Tobacco omits data from their manufacturing facilities in Laos and Turkey (Imperial Tobacco Group 2015)
Risk factors you cant change include: Risk factors you can try to manage or influence include: Advertisement Discuss your colorectal cancer risk factors with healthcare provider