
Does Longer Addiction Treatment Work? What the Research Says
Short answer: yes — and it’s not close. How long someone stays engaged in treatment is one of the strongest predictors of whether they’re still sober a year later. The hard part isn’t knowing that. It’s that the exact window where recovery takes hold is the same window where most people walk out the door. This is the research on dose, dropout, and what actually moves the numbers. Written by Danny Andino, CEO, Arise Recovery Centers·Clinically reviewed by Nick Overbeck, LPC, LCDC Last reviewed and updated July 2026. Quick answer 90 days is roughly the exposure NIDA links to meaningfully