serotonin tattoo 02

serotonin tattoo 02

The one on the far right, acetylcholine: learning, dreaming, remembering

The one on the far right, acetylcholine: learning, dreaming, remembering

from left to right: serotonin (a happiness hormone) and dopamine (a love hormone)

from left to right: serotonin (a happiness hormone) and dopamine (a love hormone)

15 Ideas For Tattoos That You Can Easily Hide, So Your Design Can Be Your Own Little Secret

15 Ideas For Tattoos That You Can Easily Hide, So Your Design Can Be Your Own Little Secret

What makes you happy?  Serotonin, dopamine. Bang Bang NY. Tattoo

What makes you happy? Serotonin, dopamine. Bang Bang NY. Tattoo

Dopamine and Serotonin

Dopamine and Serotonin

My serotonin and dopamine tattoo from Artistic Skin Design East Indianapolis. Happiness!

My serotonin and dopamine tattoo from Artistic Skin Design East Indianapolis. Happiness!

This photo was uploaded by Isildilme.

This photo was uploaded by Isildilme.

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