Answer:
- Drug overdose (Taking too much of a drug is extremely unhealthy and can result in illness or even death)
- Drug misuse (Using the wrong drug or taking too much of it)
- Taking drugs that weren't prescribed to you by a doctor
- Drug addiction (Addiction is defined as a chronic, relapsing disorder characterized by compulsive drug seeking, continued use despite harmful consequences, and long-lasting changes in the brain)
