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ScienceGlobal issues

Focus, calm and flow: The science behind relaxation

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October 9, 2026

The vagus nerve connects the brain to the organs. Stimulating it can be beneficial - but some social media hacks lack science to back them up. Plus: Forest or city walk — which is more relaxing?

Can you "reset” your vagus nerve? According to many videos buzzing around on social media you can! The range of hacks on offer includes special eye movements, humming, breathing exercises as well as applying pressure to certain parts of the body. The reality, however, is far more complex. The vagus nerve definitely exists, but unlike the claims, it can’t be turned on and off like a switch. It is constantly active. The vagus nerve runs from your brain to your large intestine, connecting to several organs along the way - a direct communication pathway. And this makes it very useful when it comes to treating certain medical conditions. If stimulated electrically, under careful medical supervision, it can provide an effective treatment for epilepsy or depression. Sometimes such stimulation therapy is so successful that patients no longer have to take medication.

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