Bongs will make the smoke cooler and more palatable it allows the dose of active chemical to be inhaled more deeply and rapidly. This makes absorption of the active chemical more efficient and so less of the original herb is required. The maximum amount of smoke that can be inhaled in a single hit depends on the bong's chamber capacity. Normally, this amount of smoke is far greater than can be achieved when smoking a pipe, cigarette, or spliff. The bong can also give a stronger hit than other smoking methods.

If a smoker uses too much substance or collects too much smoke or uses a substance that is destroyed by high temperatures, bongs can still prove wasteful, as the excess smoke is often lost to the atmosphere. The longer the smoker can hold the hit in, the more efficient the absorption into the blood stream. The act of holding in a hit to the length in which the exhale contains no smoke is known as "ghosting it." An exceptionally large and dense hit is known as a "monster hit" or a "fatty rip."

Health Benefits/Research
Bongs bubble the smoke through water, which cools it down. This helps to reduce the chance of burning to the mouth, airways, and lungs. The water can trap some heavier particles and the more water-soluble molecules, preventing them from entering the smoker's lungs. Most smokers believe that bongs are healthier than other smoking methods; however, a 2000 NORML-MAPS study found that "water pipes filter out more psychoactive Tetrahydrocannabinol or THC than they do other tars, thereby requiring users to smoke more to reach their desired effect". Smoke from marijuana supplied by the NIDA was drawn through a number of smoking devices and analyzed. A smoking machine, adjusted to mimic the puff length of marijuana smokers, drew smoke through a standard bong, a small portable bong with a folding stem, a bong with a motorized paddle that thoroughly mix the smoke with the water, and two different types of vaporizers. The study found that the unfiltered joint outperformed all devices except the vaporizers, with a ratio of about 1 part cannabinoids to 13 parts tar. However, when the alveolar macrophages, an important component in the lungs immune system, were exposed to unfiltered smoke, there was a marked reduction in the macrophages' ability to fight bacteria, whereas there was no such reduction in those exposed to water filtered smoke.
the latest research study also found that there is substantial epidemiological evidence among tobacco smokers that those who smoke through water-pipes, as opposed to cigarettes, cigars, and regular pipes, have lower incidences of carcinoma. "It appears that water filtration can be effective in removing components from marijuana smoke that are known toxicants... The effectiveness of toxicant removal is related to the smoke's water contact area. Specially designed water pipes, incorporating particulate filters and gas dispersion frits, would likely be most effective in this regard; the gas dispersion frit serves to break up the smoke into very fine bubbles, thereby increasing its water contact area." 

The Legalise Cannabis Alliance
 Our goal is the full legalisation of cannabis - UK Political party.
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The Website of the British Legalise Cannabis Campaigns
usmjparty
U.S.A. Marijuana Party - Their Aim Legalisation of Cannabis
NORML
NORML is a nonprofit, public-interest lobby that for more than 30 years has provided a voice for those Americans who oppose marijuana prohibition.
Americans for Safe Access
Americans for Safe Access (ASA) is an aggressive media and grassroots campaign designed to force Attorney General Ashcroft and the Bush Administration to back off its anti-medical marijuana campaign
Hemp Evolution
Hemp Evolution is dedicated to the re-legalization of one of nature's most beneficial plants Cannabis.
THC
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