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| Medicines Do Not Degrade Faster |
| Medicines Do Not Degrade Faster in Space
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| UNITED STATES OF AMERICA
, 30-November-2015
7:40:23 AM |
| Medicines do not appear to degrade faster in the zero-gravity atmosphere on the International Space Station (ISS) and this does not differ from what is typically seen on the Earth, researchers report.
While the orbiting international laboratory is regularly re-supplied with medicines to replace those which have passed their expiry date, this may not be possible on exploration missions that travel to more distant points.
On the Earth, medicines degrade over time, particularly when exposed to light, oxygen or humidity.
Temperature and humid conditions on board the ISS are generally within ideal ranges for medicine storage on the Earth.
"Till now, there has been little evidence of how medicines might react to factors unique to spaceflight such as micro-gravity and constant exposure to elevated radiation levels," said the team from the Centre for Space Medicine and department of pharmacology at Baylor College of Medicine in the US.
Lead researcher Virginia Wotring analysed nine medications which had been stocked on the ISS and returned to the Earth unused after 550 days of storage in spaceflight.
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