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Despite their annoyance to humans, flies are a fascinating insect with many unique biological features
This is also in line with the fatwas directive that smokers are obliged to strive to quit according to their ability
The results were highly instructive: At the 100 ng/mL threshold zero non-smoker positives At the 75 ng/mL threshold zero non-smoker positives At the 50 ng/mL threshold (the DOT initial screening standard) only a single positive occurred, even in a sealed unventilated room with heavy smoke At a 20 ng/mL threshold multiple positives occurred Maximum THC metabolite concentrations for non-smokers by GC-MS ranged from 1.3 to 57.5 ng/mL under extreme unventilated conditions The key takeaway: for someone who does not smoke to fail a drug test due to secondhand smoke, they would need to be exposed to a high concentration of smoke in an unventilated space for a prolonged period
One study conducted in Switzerland found that while the iQOS produces many toxic chemicals at lower levels than cigarette smoke, some are higher than the company claims