After two years, Sam needs to smoke more cigarettes to achieve the same feelings as he had when he first started smoking. This need to increase dosage is due to

Question

Quizplus · Accepted Answer

The need to increase dosage to achieve the same effects is a classic sign of tolerance, where the body becomes used to the presence of the drug and requires more to achieve the same response.

After Two Years, Sam Needs to Smoke More Cigarettes to Achieve