Anxiety relief techniques that don't require a prescription are dominating wellness searches in 2026, and vagus nerve exercises sit at the top of the list. Here's what the science says about humming, gargling, cold water and the other free tools that can reset your nervous system in minutes. For the bigger picture on body-based stress relief, this guide to somatic exercises is a good place to start.

What Are Vagus Nerve Exercises and How Do They Reduce Anxiety?

Vagus nerve exercises are simple physical techniques, humming, gargling, cold water exposure and slow exhales, that stimulate the body's longest cranial nerve to shift the nervous system out of fight-or-flight and into "rest and digest." Because the vagus nerve runs from the brainstem through the neck, chest and abdomen to the heart, lungs and gut, stimulating it sends an immediate calming signal across the body.