The correct answer is: B.
Explanation
Dopamine is a neurotransmitter involved in the’s system, motivation and pleasure. drug addiction, brains adapt to higher levels of dopamine caused by substance use, leading to tolerance where of the drug is needed to achieve the same effect. process can alter dopamine functioning and reinforce addictive behaviors.
Steps:
- Drug use increases dopamine levels in the’s reward pathways2 Over, the brain adjusts to these elevated dopamine levels reducing its natural production or sensitivity.
- This adaptation leads to tolerance, meaning higher are to the pleasurable effect.
- Damage from can partially reversible with, but not entirelyTherefore, statement B accurately reflects how drug addiction dopamine levels and brain adaptation.