Your shoulders are up by your ears again. Your jaw is clenched. That familiar tightness in your chest shows up at 3 PM like clockwork. You're exhausted but wired, catching yourself holding your breath for no reason at all. Sound familiar? You're not anxious for no reason. You're not broken. And you're definitely not imagining it. Your nervous system is stuck in survival mode, and it's been running this program for so long, it's forgotten how to do anything else. The Biology