As other commenters have noted, the study misses an important fourth: vaporized THC products.
Nicotine is common to e-cigarettes and cigarettes; combustion byproducts are common to cannabis and tabacco smoke. There shouldn't be much overlap between cannabis smoke and e-cigarettes, because the latter isn't meant to be combusted. Likewise, people vaporize THC below its combustion point, so it shouldn't have much overlap with nicotine products. My suspicion (as a casual user of all of the above) is that there isn't one "smoking gun" (pun intended) but putting anything other than clean fresh air into your lungs is probably bad for your heart because blood travels directly from the lungs to the heart before it passes through the liver.
Ecigs can combust some of the constituents depending on draw length/temperature. Many flavors used in ecigs are not approved for inhalation and it was shown that some flavors may interfere with blood clotting
hmm, but no mention of orally consumed cannabinoids, or vaped cannabinoids (dry herb or concentrate).
I feel like those are the more interesting vehicles to research for cannabis. Its been fairly well established that smoking cannabis (combustion of plant matter) is still harmful to some degree.
> In this study, researchers exposed rats for eight weeks to a single daily session of exposure to Marlboro Red cigarette smoke, aerosol ("vapor") from the popular e-cigarette JUUL, aerosol from the heated tobacco product IQOS, smoke from marijuana cigarettes, and smoke from modified marijuana that lacks all cannabinoids, compared to just air.
But not e-marijuana (aka vape pens). Seems like an oversight?
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[ 2.7 ms ] story [ 26.9 ms ] threadNicotine is common to e-cigarettes and cigarettes; combustion byproducts are common to cannabis and tabacco smoke. There shouldn't be much overlap between cannabis smoke and e-cigarettes, because the latter isn't meant to be combusted. Likewise, people vaporize THC below its combustion point, so it shouldn't have much overlap with nicotine products. My suspicion (as a casual user of all of the above) is that there isn't one "smoking gun" (pun intended) but putting anything other than clean fresh air into your lungs is probably bad for your heart because blood travels directly from the lungs to the heart before it passes through the liver.
I feel like those are the more interesting vehicles to research for cannabis. Its been fairly well established that smoking cannabis (combustion of plant matter) is still harmful to some degree.
But not e-marijuana (aka vape pens). Seems like an oversight?