Possible Factors for Substance Abuse
Dopamine is the neurotransmitter that is most associated with focus, motivation and addiction. Dopamine is responsible for our pleasure/reward system. Many drugs, alcohol, stimulants boost dopamine levels bringing a sense of pleasure. Inhibitory neurotransmitters such as serotonin and GABA are often depleted in individuals experiencing or recovering from addiction.
Ways to measure these neurotransmitters