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Apollo astronauts who ventured to the moon are at five times greater risk of dying from heart disease than shuttle astronauts, U.S. researchers said on Thursday, citing the dangers of cosmic radiation beyond the Earth’s magnetic field.

 

The study by researchers at Florida State University and NASA found that three Apollo astronauts, including Neil Armstrong, the first person to walk on the moon, or 43 percent of those studied, died from cardiovascular disease, a finding with implications for future human travel beyond Earth.

 

The research, published in the journal Scientific Reports, was the first to look at the mortality of Apollo astronauts, the only people so far to travel beyond a few hundred miles (km) of Earth.

 

It found that the chief health threat to the Apollo astronauts came from cosmic rays, which are more prevalent and powerful beyond the magnetic bubble that surrounds Earth.

 

NASA disputed the findings, saying it was too early to draw conclusions about the effect of cosmic rays on Apollo astronauts because the current data is limited.

 

The results of the study have implications for the United States and other countries, as well as private companies, such as Elon Musk’s SpaceX, which are planning missions to Mars and other destinations beyond Earth.

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Reuters

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