UPD Podcast

The Science of P*rn Addiction feat. Dr. Trish Leigh

July 28, 2026·1h 20m
Episode Description from the Publisher

Neuroscientist Dr. Trish Leigh joins Jonny Hanson and Andy Lamb to break down the brain science behind pornography and sex addiction. Dr. Leigh explains how early exposure rewires the brain's reward pathways, why the average age of first exposure has dropped to 8 years old, and how a "supernormal stimulus" leads to dopamine desensitization, erectile dysfunction, and compulsive behavior. She introduces her concepts of strain brain and drain brain, walks through the brain's rewiring timeline, and shares practical strategies — including dopamine stacking, accountability, and emotional intelligence — for anyone seeking freedom from porn addiction. Dr. Leigh is the author of Mind Over Explicit Matter and founder of the Desire Rewire program.Learn more about Dr. Leigh's work at http://drtrishleigh.com/This episode is part of UPD Podcast's Finding Freedom series, exploring addiction recovery through the lens of neuroscience and Christian faith.

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