Dopamine, the neurotransmitter of reward and pleasure. Perhaps the sexiest of all neurotransmitters. I mean, seriously, look at those beautiful hydroxyl groups. This dopamine shirt might also make you look sexy.
Necessary & Sufficient
is home to geeky science and gaming t-shirts, hoodies, and gifts. We've got neuroscience, biology, math, gaming, Starcraft, e-sports, & zombie tees! We pride ourselves in designs that appeal to less than 1e
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