Deep breath

Deep breath

Released

04/07/2018 11:30 am

Copyright

NASA/ESA

Description

Developed by researchers at the Karolinska Institutet in Sweden, the Airway Monitoring experiment measures astronauts’ breath to determine the health of their lungs. The potential findings will go towards developing better diagnostic tools for airway disease in patients on Earth.

The analyser measures the amount of nitric oxide in exhaled air. Too much nitric oxide suggests inflammation. Causes can be environmental, like dust or pollution, or clinical, such as asthma – at least on Earth, but what happens in space?

To find out, astronauts breathe into an analyser at normal pressure and then in the reduced pressure of the Quest airlock, which simulates the pressure of future habitats on Mars and lunar colonies. The measurements are then compared to the same reduced and ambient pressure data taken before flight to understand the effects of weightlessness on airway health.

This information is key to ensuring the health and safety of astronauts on long missions taking them further from Earth.

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