Answer:
substance use disorder
Step-by-step explanation:
Substance use disorder: The substance use disorder is also referred to as SUD, and also known as drug use disorder, is considered to be a medical condition or illness that consists of using more than one or more drugs or substances which leads to distress or impairment.
In abnormal psychology, the substance use disorder is defined in DSM-5 as an individual's compulsive pattern to use drugs instead of knowing all the negative consequences related to the drugs.
The important part of the substance use disorder is both psychological as well as physical dependence.
In the question above, Ainsley is displaying substance use disorder.