Deep space astronauts may be prone to erectile dysfunction, study finds

Galactic cosmic rays can impair function of erectile tissues, research in rats shows

As if homesickness, wasting muscles, thinner bones, an elevated cancer risk, the inescapable company of overachievers and the prospect of death in the endless vacuum of space were not enough to contend with, male astronauts may return from deep space prone to erectile dysfunction, scientists say.

In what is claimed to be the first study to assess the impact of galactic radiation and weightlessness on male sexual health, Nasa-funded researchers found that galactic cosmic rays, and to a lesser extent microgravity, can impair the function of erectile tissues, with effects lasting potentially for decades.

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