The Human Heart May Not Be Able to Handle the Trip to Mars

The Human Heart May Not Be Able to Handle the Trip to Mars

Anyone dreaming of casting off the shackles of Earth for the microgravity wasteland of Mars is in for some (more ) bad news. In addition to a host of other problems , the necessary 18-month spaceflight would, apparently, lead to one very unhealthy (and spherical) astronaut heart.

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