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Home NASA astronaut Serena Auñón-Chancellor conducts an eye exam aboard the space station, part of ongoing crew health maintenance activities. (NASA) NASA astronaut Serena Auñón-Chancellor conducts an eye exam aboard the space station, part of ongoing crew health maintenance activities. (NASA)

NASA astronaut Serena Auñón-Chancellor conducts an eye exam aboard the space station, part of ongoing crew health maintenance activities. (NASA)

NASA astronaut Serena Auñón-Chancellor conducts an eye exam aboard the space station, part of ongoing crew health maintenance activities. (NASA)

NASA astronaut Serena Auñón-Chancellor conducts an eye exam aboard the space station, part of ongoing crew health maintenance activities. (NASA)

Japan Aerospace Exploration agency (JAXA) astronaut Norishige Kanai using the Advanced Resistive Exercise Device (ARED), which provides loading so that crew members experience load and maintain muscle strength and mass during long periods in space. (JAXA)
ESA (European Space Agency) astronaut Alexander Gerst exhales into an ultra-sensitive gas analyzer for the Airway Monitoring experiment, a study of airway inflammation in crew members. Results help flight surgeons plan safer long-term missions to the Moon and Mars and may help patients on Earth with asthma or other airway inflammatory diseases. (NASA)

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