Reference

Why do people use drugs? Understanding the root causes

Published October 1, 2024 · 8 min read · Updated April 2026
Reviewed for accuracy by licensed clinical professionals.

Understanding why people use drugs shifts the conversation from blame to compassion and effective treatment.

Reasons

Pain management (physical and emotional). Trauma response. Social connection and belonging. Curiosity and experimentation. Genetic vulnerability. Environmental exposure. Mental health self-medication. Pleasure and reward. Escape from unbearable circumstances.

The common thread

Substance use always serves a function. Effective treatment identifies and addresses that function with healthier alternatives.

Authoritative sources

This article references guidelines from: NIDA · SAMHSA · CDC

Frequently asked questions

How do I find help?
Call SAMHSA at 1-800-662-4357.
Is treatment effective?
Yes.
Does insurance cover this?
Yes under mental health parity.

Disclaimer: Informational only. Not medical advice. SAMHSA: 1-800-662-4357.