Barf Bag Anyone?

Throwing up is never pleasant.  Imagine what it would be like in weightlessness. Two thirds of space travelers have some form of motion sickness, ranging from dizziness to nausea to vomiting.  It might have been present in the early days of spaceflight, but it became more apparent with the Space Shuttle. From sitting on the launch pad to being weightless took eight and a half minutes.  Unlike astronauts who flew in cramped capsules, Shuttle...

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