Drug abuse is defined as a. the consumption of legal drugs for medical purposes b. the consumption of illegal drugs for medical purposes c. the nonmedical or improper use of a drug, which can interfere with a healthy life d. using drugs on an occasional basis until mood is altered

C. the nonmedical or improper use of a drug, which can interfere with a healthy life.

Explanation:

Drug abuse takes into consideration the amount and frequency of use of a drug, regardless if it is legal or illegal and how it interferes with a healthy life.  Drug abuse can occur with nonmedical or prescribed drug too, what defines drug abuse or misuse is the improper use of it and its consequences, it harms a person, her life and people around her.

sir frederic attributed inaccuracies to schemas. memory reconstruction is one part actual events and one part personal schema, which can result in inaccuracies when memories are reconstructed.