Which statement is true about dopamine?
a. dopamine discourages healthy behavior.
b. drug-addicted brains become used to tolerating higher levels of dopamine.
c. dopamine stimulates displeasure and lack of memory.
d. damage from addiction can be reversed.

The answer is B. Drug-addicted brains become used to tolerating higher levels of dopamine. Dopamine release in the nucleus accumbens is linked with pleasure. Drug use cause a powerful surge of dopamine in the nucleus accumbens. Due to this surge, drug misuse is more likely to occur.

Not sure exactly what kind of answer you are looking for so i hope this able to be a effective listener and also being  a good conversationalist. and most of all just being there when someone needs you.i hope this .

What are the choices given ?