When dopamine levels are elevated this reward pathway reinforces the use of the drug.
Dopamine is an organic chemical that is produced in our bodies, and is related to reward-motivated behavior.
The anticipation of most types of rewards increases the levels of dopamine in the brain, and many drugs also increase dopamine as well as blocking its reuptake into the neurons follow release.
Koreans practiced a form of Buddism which is a Chinese philosophy. This occurred during the Tang dynasty.
