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Unwinding Anxiety: New Science Shows How to Break the Cycles of Worry and Fear to Heal Your Mind by Judson Brewer. Brewer is a psychiatrist and neuroscientist whose research focuses on the habit loops underlying anxiety and compulsive behaviour — and Unwinding Anxiety applies that research directly to the thinking patterns this article covers. Brewer's core mechanism is the same reward-based learning loop that sustains any habit: the trigger activates the behaviour, the behaviour produces a result that the nervous system registers as rewarding, and the loop consolidates. In anxiety and ruminative thinking, the loop is maintained because worrying and catastrophising feel like they are doing something — they feel like preparation, vigilance, control — even when they are producing none of those things. The intervention Brewer's research supports is not suppression but awareness: noticing the habit loop in operation, observing what the behaviour actually delivers relative to what it promises, and allowing that gap to reduce the behaviour's reward value without fighting it directly. The approach is consistent with the Hayes defusion framework and with the Wegner ironic process evidence, and Brewer explains both the mechanism and the practice in accessible, clinically grounded terms. For anyone who has found that knowing a thinking pattern is counterproductive has not stopped them from engaging in it, this book explains why that gap exists and what actually closes it.