New smokers often progress from their first cigarette to smoking a half to a full pack a day in just a few weeks,illustrating:
A)drug tolerance.
B)withdrawal.
C)a placebo effect.
D)expectancy effects.

Question

Quizplus · Accepted Answer

Drug tolerance occurs when the body becomes less responsive to a substance, requiring an individual to consume more to achieve the same effect. New smokers needing to smoke more over time to satisfy their cravings is an example of developing tolerance to nicotine.

New Smokers Often Progress from Their First Cigarette to Smoking