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

Drug abuse is best defined as the nonmedical or improper use of a drug that can interfere with a healthy life.

For example, a person that is addicted to cocaine will use it everyday, and will develope agressive behavior, anxiety, sleep disorder, paranoia etc.

This person could get addicted at the point of comiting a robbery, killing and much more.

change tension

i think it's 35 meters