Aging Studies - Research Article from Macmillan Science Library: Space Sciences

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Bed Rest Studies

Researchers study bed rest to understand the mechanisms that bring about these symptoms, and to develop preventive treatments. Both astronauts and men and women volunteers for these bed rest studies recover, with the speed of recovery being proportional to the duration of the flight or the bed rest. Research into the mechanisms that contribute to these symptoms has pointed to the variety of ways humans use Earth's gravity to promote stimuli the body needs to maintain normal physiology.

Astronaut Kathryn P. Hire undergoes a sleep study experiment in the Neurolab on the space shuttle Columbia. Bed rest studies are used to examine the physical changes that occur during human spaceflight. Astronaut Kathryn P. Hire undergoes a sleep study experiment in the Neurolab on the space shuttle Columbia. Bed rest studies are used to examine the physical changes that occur during human spaceflight.

In space, where the influence of gravity is negligible, the load we normally feel on Earth from our weight is absent. Exercise, such as walking, is ineffective, because we are not working against the force...

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This section contains 675 words
(approx. 3 pages at 300 words per page)
Buy the Aging Studies Encyclopedia Article
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Macmillan Science Library: Space Sciences
Aging Studies from Macmillan Science Library: Space Sciences. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.
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