Becoming addicted to a drug such as heroin seems to be best explained by
A) increased synthesis of ACh.
B) tolerance to the drug.
C) the drug reduces nausea.
D) the drug's reinforcing effects.
E) avoidance of specific withdrawal symptoms.

Question

Quizplus · Accepted Answer

The reinforcing effects of a drug like heroin are a primary reason for addiction, as they create a strong desire to continue using the drug due to the pleasurable sensations it produces.

Becoming Addicted to a Drug Such as Heroin Seems to Be