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Why people continue despite harm

"Why don't they just stop?" is the most common question families ask. Here's a fuller answer.

1 min read

Now versus later

The relief or reward of using arrives in seconds. The costs arrive later and are spread out — a strained relationship, a bill, a health warning. Human brains weigh immediate outcomes more heavily than delayed ones, and addiction strengthens that bias.

Changed brain systems

Over time, cues can trigger powerful wanting, stress systems make abstinence feel awful, and self-control systems have less pull.1 Knowing the harm doesn't switch these systems off.

Ambivalence is normal

Most people with an addiction both want to stop and want to continue. Use often meets real needs: numbing pain, managing anxiety, belonging, sleep, escape. Until those needs have another answer, stopping can feel like losing something important. Effective approaches, like motivational interviewing, work with ambivalence rather than fighting it.

Practical barriers

  • Fear of withdrawal
  • Not knowing where to get help, or being unable to afford it
  • Waiting lists, transport, childcare, and work
  • Fear of legal, job, or custody consequences
  • Shame and the fear of being judged

Research references

  1. Neurobiologic Advances from the Brain Disease Model of Addiction (opens another website)Volkow ND, Koob GF, McLellan AT — New England Journal of Medicine, 2016-01-28. DOI: 10.1056/NEJMra1511480Link checked October 17, 2026
  2. Liking, Wanting, and the Incentive-Sensitization Theory of Addiction (opens another website)Berridge KC, Robinson TE — American Psychologist, 2016-11. DOI: 10.1037/amp0000059Link checked October 17, 2026

Editorial page

GAREP Editorial (AI-assisted draft)

Written to be useful in any country. Services and medication availability differ by country.

Published
October 17, 2026
Updated
October 17, 2026