This reaction explains the variations in the intensity of red eyes.
Additionally, this explanation accounts for why red eyes can still occur even with the lack of smoke, such as when eating edibles.
It’s not the smoke that makes your eyes red, but the cannabinoids.
Do edibles make your eyes red Reddit?
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Why do your eyes get low when your high?
What really causes red-eye is pressure. Specifically, marijuana causes the inner-eye pressure to decrease after use. When the pressure drops in your eye, the small blood vessels have room to expand, causing you to look like you just lost a battle with allergies.
Can drug dogs detect edibles?
“It’s not that the odour of THC in edibles is undetectable, it’s just a matter of how thoroughly the dog was trained to pick up on the scent,” Knupp says. Master trainer Sid Murray of ATS K9 Detection Services says that dogs can be trained to detect the scent of cannabis in any form.