Mountain air contains less oxygen than air at lower altitudes, so breathing it causes the heart to beat faster and the body to burn more energy.
Krypton has a narcotic potency seven times greater than air, so breathing a gas containing 50% krypton and 50% air would cause narcosis similar to breathing air at four times atmospheric pressure.
At the heart of confidence is feeling relaxed, so breathing and mindfulness exercises are helpful, adds Wood.
At the heart of job interview confidence is feeling relaxed, so breathing and mindfulness exercises are helpful, says chartered psychologist Dr Gary Wood in a blog on how to boost confidence at a job interview.
The manchineel tree from the same Colombian forest, we learn, has crab-apple-size fruits that can swell the throat so breathing becomes nearly impossible; its sap can cause temporary blindness; even rainwater dripping from the leaves makes the skin blister.
The acquisition times are short so breathing artefacts are minimal.
