30. Is it dangerous for humans to undergo long exposure to different amounts of gravity? (A K2S Question)

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Being in zero-gravity causes a number of changes in the body. Some are more serious than others. Some of the changes only last a short time, while others can continue for the whole time a person is in zero gravity.


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