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Cancer Research UK says: “All passive smoking is unsafe, and it is particularly dangerous for children.” The CDC says : “There is no safe level of exposure to second-hand smoke (SHS); even ...
A 2001 study found that 95% of adults agreed that secondhand smoke was harmful to children, and 96% considered tobacco-industry claims that secondhand smoke was not harmful to be untruthful. [149] A 2007 Gallup poll found that 56% of respondents felt that secondhand smoke was "very harmful", a number that has held relatively steady since 1997 ...
Hotboxing involves multiple persons smoking cannabis in an enclosed space, such as a car, with no way for smoke to escape. In addition to the primary smoke from the chosen smoking devices, second hand smoke is repeatedly inhaled and exhaled. [6] A single user breathing in and out of a breathbonnet (breadbag) can achieve this effect.
In this new study, the researchers prove that second hand smoke from marijuana can lead to raised THC levels, the active ingredient in marijuana. The presence of THC in a person’s system leads ...
Second-hand smoke is a mixture of smoke from the burning end of a cigarette, pipe or cigar, and the smoke exhaled from the lungs of smokers. It is involuntarily inhaled, lingers in the air hours after cigarettes have been extinguished, and may cause a wide range of adverse health effects, including cancer , respiratory infections , and asthma .
The "population-attributable fraction" (PAF)—that is, the share of cancer deaths that could be prevented if a given risk factor were removed—is 28.5 percent for cigarette smoking and 0.7 ...
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [67] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
In the second study, researchers analyzed patients who were in the hospital for any reason and found that people who used marijuana and had a medical condition like Type 2 diabetes had a ...