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If THC absorption is high enough to produce psychoactive effects, the risk of a detectable urine concentration while still unlikely to reach the 50 ng/mL DOT cutoff increases meaningfully compared to outdoor or ventilated exposure
The origins of the date and the term 420 started with a group of hippie teens from San Rafael High School in California, who called themselves the Waldos. A friends brother was afraid of getting arrested for a patch of cannabis he was growing in the woods at Point Reyes, so he drew a map and gave the Waldos permission to harvest the crop
The ethics committee/institutional review board waived the requirement of written informed consent for participation from the participants or the participants legal guardians/next of kin because informed consent was waived by the IRB since only de-identified information was used
Non-nicotine liquids for e-cigarette devices in Australia: chemistry and health concerns (PDF) - this report describes the chemicals to which people may be exposed from the use of e-cigarettes, and the health concerns about these chemicals
Image by Ruthless Vaper Some people believe that vaping is a great alternative to quit smoking, unfortunately Harvard Health Publishing points out that the Food and Drug Administration (FDA) has not approved it
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