NASA astronauts on the Apollo missions to the moon, flown in the 1960s and 1970s, are the only humans to have flown beyond the protective magnetic shielding of Earth — and a new study shows that exposure to deep-space radiation may have taken a toll on their hearts.
The research compared Apollo astronauts’ fates with those of unflown astronauts — who never made it into space — and those who lingered in low-Earth orbit, and found an increased level of death from cardiovascular problems in the deep-space adventurers. In a study with mice, the researchers also found a long-term effect on heart health from radiation exposure.
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Source Credits: Sarah Lewin in Yahoo News Canada