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Pawlak R et al

HUBERMAN: But because they can cross the blood brain barrier, they cause effects that are at the level of psychology, really, and at the level of appetite and things of that sort

And for anyone listening, like the reason I'm bringing that up is because the vagus nerve and the brain, it's how the gut communicates back to the brain

AL: Data collection, assistance in data interpretation

Propylene glycol in solution formulations often causes these reactions, making foam alternatives preferable for sensitive individuals
