Shannon has been using heroin for two years.Lately, she has found she must inject higher and higher dosages of the drug to get the same high she has come to expect from her drug use.What is the term for this need for higher dosages?

Question

Quizplus · Accepted Answer

Tolerance refers to the need for higher doses of a drug to achieve the same effect or high that was once achieved with a lower dose. This can be a sign of physical dependence and addiction.

Shannon Has Been Using Heroin for Two Years