Why Anxious People Can’t Stop Overthinking | A Psychologist Explains

🧠 Stop Overthinking NOW! Do you ever feel trapped in your thoughts? Caught in a loop of what ifs, self-doubt, or mental spirals that seem impossible to stop? In this video, clinical psychologist Dr. Shamsi breaks down the science of overthinking and anxiety, and introduces a powerful tool used in modern therapies like Acceptance and Commitment Therapy (ACT): Thought Defusion. ✅ Learn why your thoughts feel so real ✅ Understand how cognitive fusion fuels anxiety ✅ Get 3 evidence-based techniques to unhook from anxious thoughts ✅ Backed by research and easy to start practicing today Chapters: 00:52 - Overthinking & Anxiety 1:47 - What is anxiety? 3:07 - Fusion & Defusion 4:53 - What is Cognitive Defusion 6:30 - How to Practice Cognitive Defusion 9:09 - Establishing the Habit 💬 Which technique are you going to try today — “Name the Story,” “Notice the Thought,” or “Neutralize It”? Drop it in the comments below! 🔔 Subscribe for videos that blend psychology, science, and practical tools to help you manage anxiety, build motivation, and live a more meaningful life. ABOUT DR. TAB SHAMSI I'm a Board-Certified Clinical Psychologist. I make videos about anxiety, focus, executive functioning, and how your brain actually works — backed by research, explained in plain language. New videos every week. IMPORTANT This video is for educational and informational purposes only. It is not a substitute for professional mental health diagnosis or treatment. Viewing this content does not establish a therapist-client relationship. If you need individualized support, please consult a licensed mental health professional in your area. If you are in crisis, please contact: 988 Suicide & Crisis Lifeline — call or text 988 Crisis Text Line — text HOME to 741741