The Standard Collection

Necessary & Sufficient Standard Collection > Science and Math Shirts > Excited Epinephrine

Excited Epinephrine

Epinephrine: the neurotransmitter for attentiveness and mental focus, and the hormone for fight or flight. Don't leave home without it. I keep some in my pocket just in case a saber-tooth tiger pops out from a dark alley. FYI, this shirt will help in those occasions.

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