fuckyeahtattoos: My new tattoos, and also my first tattoos. Located on my forearms. (Done by Roy Ramirez at The Darkside Tattoo.) They are the chemical symbols for the neurotransmitters dopamine and serotonin. Dopamine plays in a role in regulation of

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fuckyeahtattoos: My new tattoos, and also my first tattoos. Located on my forearms. (Done by Roy Ramirez at The Darkside Tattoo.) They are the chemical symbols for the neurotransmitters dopamine and serotonin. Dopamine plays in a role in regulation of

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