Donald Tashkin at the University of California at Los Angeles, found that marijuana smoking was not associated with an increased risk of developing lung cancer
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With increasing unaffordability, a large section of consumers shifted to tax-evading illicit cigarettes and other revenue-inefficient forms of tobacco consumption, like bidis or smokeless tobacco products which, on the basis of unit consumption, make up a multiple of that of legal cigarettes
MORE RESEARCH NEEDED ON BENEFITS OF MEDICINAL CANNABIS Benefits of medical marijuana Despite the increasing number of states that have legalized cannabis for medicinal purposes, there is little evidence that points to specific medicinal benefits of cannabis
tobacco alone) take larger puffs, inhale more deeply, hold their breath for longer (about four times longer), and perform a Valsalva maneuver at maximal breath-hold [16]