bbc science focus

Can cold water, breathing exercises, or even wearable devices really "hack" your nervous system? And what role does the vagus nerve actually play in stress, recovery, sleep, and performance? Click below to read the full article ↓

In this feature article by BBC science focus, Sylvain Laborde explains how the vagus nerve helps regulate the body's response to stress and why slow-paced breathing may be one of the most accessible and scientifically supported ways to improve self-regulation. The article explores the growing hype around cold plunges, HRV, vagus nerve stimulation devices, and recovery trends — while also taking a critical look at what current research can actually tell us.

Blending science, wellbeing, and high-performance sport, the piece offers an engaging introduction to one of the most fascinating systems in the human body — and why the basics of sleep, movement, breathing, and recovery still matter most.