What increases marijuana addiction risk?
- By Robert Mauer
- Reviewed by: Dr. Janaka Hanvey, PhD
Several factors increase the risk of developing marijuana addiction, including early use during adolescence, frequent or daily use, and use of high-THC products. These factors increase exposure and can strengthen the brain changes associated with addiction.
Individual vulnerability also plays a role. Genetics, mental health conditions such as anxiety or depression, trauma, and environmental influences can all increase susceptibility.
The combination of high exposure and individual risk factors is particularly important. The more often and intensely marijuana is used, especially in vulnerable individuals, the greater the likelihood of developing a substance use disorder.
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Sources
National Institute on Drug Abuse (NIDA) — Drugs, Brains, and Behavior: The Science of Addiction
Government scientific overview of drug use, addiction, brain changes, tolerance, dependence, and recovery.
National Institute on Drug Abuse (NIDA) — Commonly Used Drugs Charts
Comprehensive federal reference covering major drug categories, effects, overdose risks, and health consequences.
Substance Abuse and Mental Health Services Administration (SAMHSA) — Substance Use and Mental Health
Federal information about substance use, addiction, prevention, treatment, and behavioral health.
MedlinePlus — Drugs and Young People
Government medical resource discussing drug effects, misuse, addiction risks, and substance use education.
National Institute on Drug Abuse (NIDA) — Understanding Drug Use and Addiction DrugFacts
Clear explanation of why people use drugs, how addiction develops, and how substance use affects the brain and behavior.