SPACE - Going To Mars Could Damage The Brains Of Astronauts

In 1960s, space travel was sometimes likened to an enlightening event - a moment where a person became more than they thought possible. In Star Trek, travel beyond the edge of the Galaxy caused some people to develop god-like powers. In 2001: A Space Odyssey, space travel led to the next phase of human evolution. Exposure to cosmic rays gave the Fantastic Four superpowers.

http://www.forbes.com/sites/alexknapp/2013/01/02/going-to-mars-could-d