"Cocaine use" means the act of taking the drug called cocaine, which is a powerful stimulant that can impact the brain and body in various ways. Full definition
It was a major center and still is a major center of cocaine use. (scientificamerican.com)
Just as the dog learns to associate the sound of a bell with food (a reward), a person may similarly associate a particular street corner in his hometown with cocaine use. (scientificamerican.com)
The government is concerned about the rise in cocaine use despite the fact that there has been little material rise in recent years. (politics.co.uk)