Human Space Travel: Environmental and Health Effects

Ever since people first looked up at the stars, mankind has wondered about going into space. What was up there? What would it be like? Was there life, looking back at them? Some of these questions have been answered by NASA and the space program, and some of the questions remain. However, it is no secret that space travel has effects on the human body and on the environment, and those are two areas that are not often discussed as thoroughly. In addition, there are financial costs (and the potential for big profits) to consider when it comes to space travel and human beings..

Effects on Human Health

One of the main effects on human health is on the cardiovascular system. Because there is little gravity in space, the fluids in the body are able to shift more easily, and that can result...
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