Common signs include:
Craving the drug regularly
Needing more of the substance for the same effect (tolerance)
Withdrawal symptoms when not using
Neglecting responsibilities
Continued use despite problems
Loss of interest in hobbies or social activities

Drug addiction can result from a combination of genetic, environmental, and psychological factors. These include:
Family history of addiction
Mental health disorders
Peer pressure
Early drug use
Trauma or stress

Yes, drug addiction is treatable. Effective treatments may include:
Behavioral therapy
Medication-assisted treatment (MAT)
Counseling and support groups
Inpatient or outpatient rehab programs

While initial drug use may be a choice, addiction is considered a brain disease. It alters brain chemistry and function, impairing self-control and judgment, making quitting extremely difficult without help.