16. How long can people stay in space before they begin to have health problems? (A K2S Question)

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Changes occur in humans immediately on entering space. The health problems that do occur immediately are mild—for instance, fluid shifts may cause headaches, the inner ear stops working causing space motion sickness, or a person "grows" one to three inches taller and may have backaches.

Answer provided by Col. USAF Dr. Richard S. Williams


Image:K2S logosmall.jpg Question and Answer extracted from the book Kids to Space - by Lonnie Schorer


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