Sarah Cassidy is an educational, child and adolescent psychologist who specialises in the assessment and treatment of learning and emotional/behavioural difficulties. She is the Founder and Director of the Smithsfield Clinic, a private practice for young people and their families using largely ACT (Acceptance and Commitment Therapy) and RFT (Relational Frame Theory) treatment methods. She lectures in Psychology at Maynooth University and trains ACT therapists throughout Ireland.

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Tired of Anxiety


– A Kid’s Guide to Befriending Scary Thoughts and Living Your Life Anyway

A step-by-step, visually engaging guide that draws on proven psychological science to give parents and other caregivers the means to make real, effective changes in the lives of young people who are experiencing long-term struggles with anxiety.