All videos

What Is The Vagus Nerve And How Does It Work?

Stimulating the vagus nerve with electricity can relieve depression and PTSD, studies show. Influencers say that you can relieve stress by resetting it through special stretches, including humming or even plunging your face into iced water. What is the Vagus Nerve, how does it work, and why are scientists cautious about TikTok’s vagus hacks? Watch to find out.

Topics:
Health and Healthcare Systems
Share:

More on Health and Healthcare Systems
See all

The trust gap: why AI in healthcare must feel safe, not just be built safe

Adriana Banozic-Tang

December 5, 2025

Andropause awareness helps move us towards a healthier society

2:50

About us

Engage with us

Quick links

Language editions

Privacy Policy & Terms of Service

Sitemap

© 2025 World Economic Forum