Dopamine molecule can be worn as a pendant or an earring. The hole for links are 1.5mm diameter This is for the pendant only and it does not come with a chain or hook.
In the brain, dopamine functions as a neurotransmitter—a chemical released by nerve cells to send signals to other nerve cells. The brain includes several distinct dopamine systems, one of which plays a major role in reward-motivated behavior. Most types of reward increase the level of dopamine in the brain, and a variety of addictive drugs increase dopamine neuronal activity. .