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Licensed Clinical Psychologist
Assistant Professor of Psychology, Harvard Medical School
Clinical Psychology
Evidence-based insights on psychotherapy, behavioral medicine, and mental health — written by a licensed clinical psychologist at Harvard Medical School and MGH.


The CBT Triangle: How Your Thoughts, Feelings, and Behaviors Are Keeping You Stuck (And How to Break Free)
Author: Jasper S. Lee, PhD Have you ever noticed that when you're in a bad mood, everything feels harder? You're more likely to snap at someone, skip the gym, or spend two hours doom-scrolling instead of doing the thing you actually needed to do. And then somehow, all of that makes you feel worse. That's not a character flaw. That's a cycle — and it has a name. Cognitive behavioral therapy, or CBT, is built around the idea that our thoughts, feelings, and behaviors are all co
Jasper Lee
May 310 min read
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