Trauma and addiction can erode self-belief and resilience. But perseverance can be learned.

Alcohol initially boosts dopamine and creates feelings of confidence and ease. Over time, however, the brain adapts, reducing natural dopamine production and leaving people feeling anxious, numb, or depressed when sober.

Michael Cline shares his journey from heroin addiction to long-term abstinence — and the realization that sobriety alone did not heal his trauma.