Mark has been using crack for two years.Although he has tried repeatedly to give it up, the crash is so intense and his cravings for the rush are so strong he just can't quit.What is demonstrating?

Question

Quizplus · Accepted Answer

Physiological dependence is a state in which the body has adapted to the presence of a drug and will experience withdrawal symptoms if the drug is stopped. Mark's intense crash and strong cravings for the rush are both symptoms of physiological dependence.

Mark Has Been Using Crack for Two Years