Xenon is a noble gas—colorless, odorless, inert. But it does affect the body. It’s been used as an anesthetic on occasion since the 1950s, says Robert Dickinson, a senior lecturer in medicine ...

You’re making yourself even more reliant on external factors, such as the xenon gas working and perhaps needing more support from guides and Sherpa guides, because in case something goes wrong ...

The use of xenon gas treatment has drawn controversy. Stay up to date with notifications from The Independent. Notifications can be managed in browser preferences. Not now Yes please.