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"Those who walk the well-trodden path always throw stones at those who are showing a new road."
"Whenever people are well-informed they can be trusted with their own government."
Thomas Jefferson
"The ultimate result of shielding men from the effects of folly is to fill the world with fools."
Herbert Spencer

Cannabis and Health: What the Experts Say

In 1997, (R. v Clay), Ontario Justice John McCart ruled, "Cannabis is not an addictive substance; does not cause amotivational syndrome; and health related costs of cannabis use are negligible when compared to the costs attributable to tobacco and alcohol consumption." His findings were confirmed by B.C. Justice F.E. Howard in a similar case in 1998.

US Jamaican Study 1974: "No impairment of physiological, sensory and perceptual performance, tests of concept formation, abstracting ability, and cognitive style, and tests of memory" LaGuardia Commission Report, 1944 "Cannabis smoking] does not lead directly to mental or physical deterioration... Those who have consumed marijuana for a period of years showed no mental or physical deterioration which may be attributed to the drug.

Jamaican Study 1970 :There were no indications of organic brain damage or chromosome damage among smokers and no significant clinical psychiatric, psychological or medical) differences between smokers and controls.

The Immune System:
Marijuana Myths, Marijuana Facts; L Zimmer & J Morgan: There have been no clinical or epidemiological studies showing an increase in bacterial, viral, or parasitic infection among human marijuana users. In three large field studies conducted in the 1970s, in Jamaica, Costa Rica and Greece, researchers found no differences in disease susceptibility between marijuana users and matched controls.

The Lungs:
Researchers at the University of California (UCLA) School of Medicine announced the results of an 8 - year study into the effects of long-term cannabis smoking on the lungs. In Volume 155 of the American Journal of Respiratory and Critical Care Medicine, Dr. D.P. Tashkin reported: No differences were noted between even quite heavy marijuana smoking and nonsmoking of marijuana."

Cannabis in Costa Rica: A Study of Chronic Marijuana Use; Institute of Human Issues
Users in our matched-pair sample smoked marijuana in addition to as many tobacco cigarettes as did their matched non-using pairs. Yet their small airways were, if anything, a bit healthier than their matches. We must tentatively conclude either that marijuana has no harmful effect on such passages or that it actually offers some slight protection against harmful effects of tobacco smoke