Blake smokes marijuana.When he first started using, he used to get high off one joint, but now he finds he needs to smoke more and more to get the same high.This is an example of

A) withdrawal.
B) tolerance.
C) dopamine dependence.
D) serotonin dependence.

Tolerance

The need to take increasing amounts of a drug to get the same effect.

Marijuana

A psychoactive drug from the Cannabis plant used for medical or recreational purposes.

Dopamine Dependence

A condition where an individual's normal neurobiological reward system becomes excessively reliant on activities or substances that significantly increase dopamine levels.