Caffeine acts as a pesticide by triggering bitter taste perception in insects and exerting neurotoxic effects that cause insects to either become confused and wander off or consume lethal doses and die.

causalpending

Speaker

MinuteEarth (Cameron, Kate, David, or Henry)

Evidence Quote

when insects bite into caffeinated leaves and buds, the bitter taste sends many of them running. The few that keep chewing either get confused by the molecule's neurotoxic effects and wander off, or they consume a lethal dose and die a jittery death right there.

Source

How Caffeine Accidentally Took Over The WorldMinuteEarth
Created: 8/13/2026, 4:50:46 AM

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